The source data contains the names of constituencies but no start date or end date. Boundary changes happening between 1832 and 2019 are not recorded. When new boundary sets are introduced, there may be a new constituency with the same name as an old constituency but a different geographical extent. This also is not recorded.
- Aberavon (28 elections)
- Aberconwy (4 elections)
- Aberdare (18 elections)
- Aberdeen (12 elections)
- Aberdeen and Glasgow Universities (11 elections)
- Aberdeen Central (2 elections)
- Aberdeen North (36 elections)
- Aberdeenshire (9 elections)
- Aberdeen South (36 elections)
- Abertillery (18 elections)
- Abingdon (38 elections)
- Accrington (26 elections)
- Acton (18 elections)
- Airdrie and Shotts (7 elections)
- Aldershot (28 elections)
- Aldridge-Brownhills (13 elections)
- Altrincham (15 elections)
- Altrincham and Sale (14 elections)
- Altrincham and Sale West (7 elections)
- Alyn and Deeside (10 elections)
- Amber Valley (10 elections)
- Andover (20 elections)
- Anglesey (38 elections)
- Angus (7 elections)
- Antrim (19 elections)
- Appleby (8 elections)
- Arfon (12 elections)
- Argyll (10 elections)
- Argyll and Bute (10 elections)
- Argyllshire (28 elections)
- Armagh (29 elections)
- Armagh City (12 elections)
- Arundel (15 elections)
- Arundel and Shoreham (7 elections)
- Arundel and South Downs (7 elections)
- Ashburton (17 elections)
- Ashfield (18 elections)
- Ashford (36 elections)
- Ashton-under-Lyne (48 elections)
- Aston Manor (8 elections)
- Athlone (12 elections)
- Aylesbury (48 elections)
- Ayr (15 elections)
- Ayr Burghs (28 elections)
- Ayr, Carrick and Cumnock (5 elections)
- Ayrshire (9 elections)
- Balham and Tooting (8 elections)
- Banbury (48 elections)
- Bandon (12 elections)
- Banff and Buchan (10 elections)
- Banffshire (38 elections)
- Barking (21 elections)
- Barkston Ash (26 elections)
- Barnard Castle (16 elections)
- Barnet (8 elections)
- Barnsley (26 elections)
- Barnsley Central (10 elections)
- Barnsley East (7 elections)
- Barnsley East and Mexborough (3 elections)
- Barnsley West and Penistone (6 elections)
- Barnstaple (28 elections)
- Barons Court (5 elections)
- Barrow and Furness (10 elections)
- Barrow in Furness (26 elections)
- Barry (10 elections)
- Basildon (9 elections)
- Basildon and Billericay (4 elections)
- Basingstoke (36 elections)
- Bassetlaw (36 elections)
- Bath (48 elections)
- Batley and Morley (18 elections)
- Batley and Spen (10 elections)
- Battersea (18 elections)
- Battersea North (18 elections)
- Battersea South (18 elections)
- Beaconsfield (13 elections)
- Beaumaris (12 elections)
- Bebington (7 elections)
- Bebington and Ellesmere Port (3 elections)
- Beckenham (20 elections)
- Bedford (45 elections)
- Bedfordshire (12 elections)
- Bedwellty (18 elections)
- Beeston (3 elections)
- Belfast (12 elections)
- Belfast Cromac (1 election)
- Belfast Duncairn (1 election)
- Belfast East (35 elections)
- Belfast Falls (1 election)
- Belfast North (35 elections)
- Belfast Ormeau (1 election)
- Belfast Pottinger (1 election)
- Belfast Shankill (1 election)
- Belfast South (35 elections)
- Belfast St Anne's (1 election)
- Belfast Victoria (1 election)
- Belfast West (35 elections)
- Belfast Woodvale (1 election)
- Belper (18 elections)
- Berkshire (12 elections)
- Bermondsey (18 elections)
- Bermondsey and Old Southwark (4 elections)
- Bermondsey West (8 elections)
- Berwick and East Lothian (10 elections)
- Berwick and Haddington (8 elections)
- Berwickshire (20 elections)
- Berwickshire, Roxburgh and Selkirk (5 elections)
- Berwick-upon-Tweed (48 elections)
- Bethnal Green (7 elections)
- Bethnal Green and Bow (10 elections)
- Bethnal Green and Stepney (3 elections)
- Beverley (15 elections)
- Beverley and Holderness (7 elections)
- Bewdley (28 elections)
- Bexhill and Battle (10 elections)
- Bexley (8 elections)
- Bexleyheath (6 elections)
- Bexleyheath and Crayford (7 elections)
- Biggleswade (8 elections)
- Billericay (13 elections)
- Bilston (15 elections)
- Birkenhead (32 elections)
- Birkenhead East (8 elections)
- Birkenhead West (8 elections)
- Birmingham (12 elections)
- Birmingham Acock's Green (1 election)
- Birmingham All Saints (5 elections)
- Birmingham Aston (15 elections)
- Birmingham Bordesley (8 elections)
- Birmingham Central (8 elections)
- Birmingham Deritend (8 elections)
- Birmingham Duddeston (8 elections)
- Birmingham East (8 elections)
- Birmingham Edgbaston (36 elections)
- Birmingham Erdington (23 elections)
- Birmingham Hall Green (20 elections)
- Birmingham Handsworth (18 elections)
- Birmingham Hodge Hill (10 elections)
- Birmingham King's Norton (10 elections)
- Birmingham Ladywood (28 elections)
- Birmingham Moseley (8 elections)
- Birmingham North (8 elections)
- Birmingham Northfield (20 elections)
- Birmingham Perry Barr (20 elections)
- Birmingham Selly Oak (18 elections)
- Birmingham Small Heath (13 elections)
- Birmingham South (8 elections)
- Birmingham Sparkbrook (21 elections)
- Birmingham Sparkbrook and Small Heath (3 elections)
- Birmingham Stechford (10 elections)
- Birmingham West (16 elections)
- Birmingham Yardley (28 elections)
- Birr (8 elections)
- Bishop Auckland (36 elections)
- Blaby (9 elections)
- Blackburn (46 elections)
- Blackburn East (2 elections)
- Blackburn West (2 elections)
- Blackley and Broughton (4 elections)
- Blackpool (15 elections)
- Blackpool North (14 elections)
- Blackpool North and Cleveleys (4 elections)
- Blackpool North and Fleetwood (3 elections)
- Blackpool South (21 elections)
- Blaenau Gwent (10 elections)
- Blaydon (28 elections)
- Blyth (10 elections)
- Blyth Valley (10 elections)
- Bodmin (38 elections)
- Bognor Regis and Littlehampton (7 elections)
- Bolsover (20 elections)
- Bolton (28 elections)
- Bolton East (10 elections)
- Bolton North East (10 elections)
- Bolton South East (10 elections)
- Bolton West (20 elections)
- Boothferry (3 elections)
- Bootle (36 elections)
- Boston (20 elections)
- Boston and Skegness (7 elections)
- Bosworth (36 elections)
- Bothwell (18 elections)
- Bournemouth (8 elections)
- Bournemouth East (13 elections)
- Bournemouth East and Christchurch (7 elections)
- Bournemouth West (20 elections)
- Bow and Bromley (16 elections)
- Bow and Poplar (3 elections)
- Bracknell (7 elections)
- Bradford (12 elections)
- Bradford Central (18 elections)
- Bradford East (27 elections)
- Bradford North (24 elections)
- Bradford South (28 elections)
- Bradford West (26 elections)
- Braintree (13 elections)
- Brecon (12 elections)
- Brecon and Radnor (21 elections)
- Brecon and Radnorshire (7 elections)
- Breconshire (20 elections)
- Brent Central (4 elections)
- Brent East (9 elections)
- Brentford (8 elections)
- Brentford and Chiswick (15 elections)
- Brentford and Isleworth (13 elections)
- Brent North (13 elections)
- Brent South (9 elections)
- Brentwood and Ongar (13 elections)
- Bridgend (10 elections)
- Bridgnorth (12 elections)
- Bridgwater (42 elections)
- Bridgwater and West Somerset (4 elections)
- Bridlington (13 elections)
- Bridport (12 elections)
- Brierley Hill (7 elections)
- Brigg (23 elections)
- Brigg and Cleethorpes (3 elections)
- Brigg and Goole (7 elections)
- Brigg and Scunthorpe (3 elections)
- Brighouse and Spenborough (10 elections)
- Brighton (28 elections)
- Brighton Kemptown (20 elections)
- Brighton Pavilion (20 elections)
- Bristol (12 elections)
- Bristol Central (15 elections)
- Bristol East (26 elections)
- Bristol North (16 elections)
- Bristol North East (10 elections)
- Bristol North West (20 elections)
- Bristol South (36 elections)
- Bristol South East (10 elections)
- Bristol West (36 elections)
- Brixton (23 elections)
- Broadland (4 elections)
- Bromley (15 elections)
- Bromley and Chislehurst (7 elections)
- Bromsgrove (17 elections)
- Bromsgrove and Redditch (3 elections)
- Broxbourne (10 elections)
- Broxtowe (20 elections)
- Buckingham (48 elections)
- Buckinghamshire (12 elections)
- Bucklow (1 election)
- Buckrose (16 elections)
- Burnley (39 elections)
- Burslem (8 elections)
- Burton (36 elections)
- Bury (28 elections)
- Bury and Radcliffe (10 elections)
- Bury North (10 elections)
- Bury South (10 elections)
- Bury St Edmunds (48 elections)
- Bute and North Ayrshire (18 elections)
- Buteshire (20 elections)
- Caernarfon (6 elections)
- Caernarvon (10 elections)
- Caernarvon Boroughs (28 elections)
- Caernarvonshire (20 elections)
- Caerphilly (28 elections)
- Caithness (20 elections)
- Caithness and Sutherland (21 elections)
- Caithness, Sutherland and Easter Ross (7 elections)
- Calder Valley (10 elections)
- Calne (12 elections)
- Camberwell and Peckham (7 elections)
- Camberwell North (16 elections)
- Camberwell North West (8 elections)
- Camborne (16 elections)
- Camborne and Redruth (4 elections)
- Cambridge (48 elections)
- Cambridgeshire (30 elections)
- Cambridge University (28 elections)
- Cannock (18 elections)
- Cannock and Burntwood (3 elections)
- Cannock Chase (7 elections)
- Canterbury (48 elections)
- Cardiff (20 elections)
- Cardiff Central (18 elections)
- Cardiff East (8 elections)
- Cardiff North (20 elections)
- Cardiff North West (3 elections)
- Cardiff South (8 elections)
- Cardiff South and Penarth (10 elections)
- Cardiff South East (10 elections)
- Cardiff West (20 elections)
- Cardigan (10 elections)
- Cardigan Boroughs (12 elections)
- Cardiganshire (28 elections)
- Carlisle (48 elections)
- Carlow (21 elections)
- Carlow City (12 elections)
- Carlton (10 elections)
- Carmarthen (29 elections)
- Carmarthen Boroughs (12 elections)
- Carmarthen East and Dinefwr (7 elections)
- Carmarthenshire (12 elections)
- Carmarthen West and South Pembrokeshire (7 elections)
- Carrick, Cumnock and Doon Valley (5 elections)
- Carrickfergus (12 elections)
- Carshalton (11 elections)
- Carshalton and Wallington (10 elections)
- Cashel (10 elections)
- Castle Point (10 elections)
- Cavan (12 elections)
- Central Aberdeen and Kincardine (8 elections)
- Central Ayrshire (15 elections)
- Central Devon (4 elections)
- Central Dunbartonshire (3 elections)
- Central Fife (8 elections)
- Central Finsbury (8 elections)
- Central Kingston upon Hull (21 elections)
- Central Newcastle upon Tyne (28 elections)
- Central Norfolk (7 elections)
- Central Stoke-on-Trent (20 elections)
- Central Suffolk (3 elections)
- Central Suffolk and North Ipswich (7 elections)
- Ceredigion (7 elections)
- Ceredigion and Pembroke North (3 elections)
- Charnwood (7 elections)
- Chatham (28 elections)
- Chatham and Aylesford (7 elections)
- Cheadle (20 elections)
- Chelmsford (33 elections)
- Chelsea (32 elections)
- Chelsea and Fulham (4 elections)
- Cheltenham (48 elections)
- Chertsey (23 elections)
- Chertsey and Walton (6 elections)
- Chesham and Amersham (13 elections)
- Chesterfield (36 elections)
- Chester-le-Street (26 elections)
- Chesterton (8 elections)
- Chichester (48 elections)
- Chigwell (5 elections)
- Chingford (6 elections)
- Chingford and Woodford Green (7 elections)
- Chippenham (42 elections)
- Chipping Barnet (13 elections)
- Chislehurst (21 elections)
- Chorley (36 elections)
- Christchurch (30 elections)
- Christchurch and Lymington (3 elections)
- Cirencester (20 elections)
- Cirencester and Tewkesbury (21 elections)
- Cities of London and Westminster (14 elections)
- City of Chester (48 elections)
- City of Durham (10 elections)
- City of London (28 elections)
- City of London and Westminster South (6 elections)
- City of York (3 elections)
- Clackmannan (3 elections)
- Clackmannan and East Stirlingshire (18 elections)
- Clackmannanshire and Kinross-shire (20 elections)
- Clacton (4 elections)
- Clapham (23 elections)
- Clare (12 elections)
- Clay Cross (8 elections)
- Cleethorpes (7 elections)
- Cleveland (23 elections)
- Cleveland and Whitby (3 elections)
- Clitheroe (38 elections)
- Clonmel (12 elections)
- Clwyd North West (3 elections)
- Clwyd South (7 elections)
- Clwyd South West (3 elections)
- Clwyd West (7 elections)
- Clydebank and Milngavie (5 elections)
- Clydesdale (5 elections)
- Coatbridge (8 elections)
- Coatbridge and Airdrie (10 elections)
- Coatbridge and Chryston (2 elections)
- Coatbridge, Chryston and Bellshill (5 elections)
- Cockermouth (20 elections)
- Colchester (45 elections)
- Colchester North (3 elections)
- Coleraine (12 elections)
- Colne Valley (36 elections)
- Combined English Universities (8 elections)
- Combined Scottish Universities (8 elections)
- Congleton (10 elections)
- Consett (18 elections)
- Conway (10 elections)
- Conwy (6 elections)
- Copeland (10 elections)
- Corby (10 elections)
- Cork (12 elections)
- Cork City (21 elections)
- Cotswold (3 elections)
- County Dublin (12 elections)
- County Galway (12 elections)
- County Louth (13 elections)
- County Waterford (1 election)
- Coventry (27 elections)
- Coventry East (8 elections)
- Coventry North (7 elections)
- Coventry North East (13 elections)
- Coventry North West (13 elections)
- Coventry South (14 elections)
- Coventry South East (6 elections)
- Coventry South West (6 elections)
- Coventry West (1 election)
- Crawley (10 elections)
- Crewe (26 elections)
- Crewe and Nantwich (10 elections)
- Cricklade (20 elections)
- Crosby (16 elections)
- Croydon (8 elections)
- Croydon Central (13 elections)
- Croydon East (2 elections)
- Croydon North (17 elections)
- Croydon North East (11 elections)
- Croydon North West (11 elections)
- Croydon South (26 elections)
- Croydon West (2 elections)
- Cumberland North (8 elections)
- Cumbernauld and Kilsyth (5 elections)
- Cumbernauld, Kilsyth and Kirkintilloch East (5 elections)
- Cunninghame North (5 elections)
- Cunninghame South (5 elections)
- Cynon Valley (10 elections)
- Dagenham (17 elections)
- Dagenham and Rainham (4 elections)
- Darlington (39 elections)
- Dartford (36 elections)
- Dartmouth (9 elections)
- Darwen (26 elections)
- Daventry (21 elections)
- Davyhulme (3 elections)
- Dearne Valley (10 elections)
- Delyn (10 elections)
- Denbigh (18 elections)
- Denbigh Boroughs (20 elections)
- Denbighshire (12 elections)
- Denton and Reddish (10 elections)
- Deptford (23 elections)
- Derby (28 elections)
- Derby North (20 elections)
- Derbyshire Dales (4 elections)
- Derby South (20 elections)
- Devizes (48 elections)
- Devonport (20 elections)
- Dewsbury (39 elections)
- Doncaster (26 elections)
- Doncaster Central (10 elections)
- Doncaster North (10 elections)
- Donegal (12 elections)
- Don Valley (28 elections)
- Dorchester (12 elections)
- Dorking (10 elections)
- Dorset (12 elections)
- Dover (45 elections)
- Dover and Deal (3 elections)
- Down (19 elections)
- Downpatrick (12 elections)
- Drogheda (12 elections)
- Droitwich (20 elections)
- Droylsden (2 elections)
- Dublin (12 elections)
- Dublin Clontarf (1 election)
- Dublin College Green (9 elections)
- Dublin Harbour (9 elections)
- Dublin Pembroke (1 election)
- Dublin Rathmines (1 election)
- Dublin St James's (1 election)
- Dublin St Michan's (1 election)
- Dublin St Patrick's (9 elections)
- Dublin St Stephen's Green (9 elections)
- Dublin University (21 elections)
- Dudley (35 elections)
- Dudley East (6 elections)
- Dudley North (7 elections)
- Dudley South (7 elections)
- Dudley West (6 elections)
- Dulwich (29 elections)
- Dulwich and West Norwood (7 elections)
- Dumbarton (5 elections)
- Dumbarton Burghs (8 elections)
- Dumfries (15 elections)
- Dumfries and Galloway (5 elections)
- Dumfries Burghs (20 elections)
- Dumfriesshire (28 elections)
- Dumfriesshire, Clydesdale and Tweeddale (5 elections)
- Dunbartonshire (28 elections)
- Dundalk (12 elections)
- Dundee (28 elections)
- Dundee East (20 elections)
- Dundee West (20 elections)
- Dunfermline (3 elections)
- Dunfermline and West Fife (5 elections)
- Dunfermline Burghs (15 elections)
- Dunfermline East (5 elections)
- Dunfermline West (5 elections)
- Dungannon (12 elections)
- Dungarvan (12 elections)
- Durham (38 elections)
- Dwyfor Meirionnydd (4 elections)
- Ealing (15 elections)
- Ealing Acton (3 elections)
- Ealing, Acton and Shepherd's Bush (3 elections)
- Ealing Central and Acton (4 elections)
- Ealing East (1 election)
- Ealing North (20 elections)
- Ealing South (7 elections)
- Ealing Southall (10 elections)
- Ealing West (1 election)
- Easington (20 elections)
- East Aberdeen and Kincardine (8 elections)
- East Aberdeenshire (21 elections)
- East Angus (3 elections)
- East Antrim (19 elections)
- East Berkshire (3 elections)
- Eastbourne (36 elections)
- East Carmarthenshire (8 elections)
- East Cavan (9 elections)
- East Cheshire (3 elections)
- East Clare (9 elections)
- East Cork (9 elections)
- East Cornwall (12 elections)
- East Cumberland (12 elections)
- East Denbighshire (8 elections)
- East Derbyshire (3 elections)
- East Devon (10 elections)
- East Donegal (9 elections)
- East Dorset (16 elections)
- East Down (9 elections)
- East Dunbartonshire (15 elections)
- Eastern West Riding of Yorkshire (3 elections)
- East Essex (3 elections)
- East Fife (26 elections)
- East Finsbury (8 elections)
- East Flintshire (10 elections)
- East Fulham (10 elections)
- East Galway (9 elections)
- East Glamorganshire (8 elections)
- East Gloucestershire (12 elections)
- East Grinstead (26 elections)
- East Ham (7 elections)
- East Ham North (15 elections)
- East Hampshire (10 elections)
- East Ham South (15 elections)
- East Hertfordshire (8 elections)
- East Huddersfield (10 elections)
- East Kent (12 elections)
- East Kerry (9 elections)
- East Kilbride (8 elections)
- East Kilbride, Strathaven and Lesmahagow (5 elections)
- East Kingston upon Hull (36 elections)
- Eastleigh (18 elections)
- East Limerick (9 elections)
- East Lindsey (3 elections)
- East Londonderry (10 elections)
- East Lothian (10 elections)
- East Marylebone (8 elections)
- East Mayo (9 elections)
- East Middlesbrough (14 elections)
- East MIddlesbrough (1 election)
- East Newcastle upon Tyne (25 elections)
- East Newcastle upon Tyne and Wallsend (3 elections)
- East Norfolk (25 elections)
- East Northamptonshire (8 elections)
- East Perthshire (8 elections)
- East Renfrewshire (31 elections)
- East Retford (12 elections)
- East Riding of Yorkshire (12 elections)
- East Somerset (20 elections)
- East Staffordshire (3 elections)
- East Suffolk (12 elections)
- East Surrey (40 elections)
- East Sussex (12 elections)
- East Thanet (3 elections)
- East Tipperary (9 elections)
- East Tyrone (8 elections)
- East Walthamstow (15 elections)
- East Waterford (8 elections)
- East Wicklow (9 elections)
- East Wolverhampton (16 elections)
- Eastwood (5 elections)
- East Worcestershire (20 elections)
- East Worthing and Shoreham (7 elections)
- East Yorkshire (7 elections)
- Ebbw Vale (18 elections)
- Eccles (32 elections)
- Eddisbury (26 elections)
- Edinburgh (12 elections)
- Edinburgh and St Andrew's Universities (11 elections)
- Edinburgh Central (31 elections)
- Edinburgh East (34 elections)
- Edinburgh East and Musselburgh (2 elections)
- Edinburgh Leith (13 elections)
- Edinburgh North (18 elections)
- Edinburgh North and Leith (7 elections)
- Edinburgh Pentlands (15 elections)
- Edinburgh South (36 elections)
- Edinburgh South West (5 elections)
- Edinburgh West (36 elections)
- Edmonton (28 elections)
- Egremont (8 elections)
- Eifion (8 elections)
- Elgin Burghs (20 elections)
- Elginshire and Nairnshire (20 elections)
- Elland (16 elections)
- Ellesmere Port and Neston (10 elections)
- Elmet (6 elections)
- Elmet and Rothwell (4 elections)
- Eltham (10 elections)
- Enfield (16 elections)
- Enfield East (7 elections)
- Enfield North (13 elections)
- Enfield Southgate (13 elections)
- Enfield West (7 elections)
- Ennis (12 elections)
- Enniskillen (12 elections)
- Epping (23 elections)
- Epping Forest (13 elections)
- Epsom (23 elections)
- Epsom and Ewell (13 elections)
- Erewash (10 elections)
- Erith and Crayford (11 elections)
- Erith and Thamesmead (7 elections)
- Esher (13 elections)
- Esher and Walton (7 elections)
- Eskdale (8 elections)
- Eton and Slough (11 elections)
- Evesham (28 elections)
- Exeter (48 elections)
- Eye (38 elections)
- Falkirk (25 elections)
- Falkirk East (5 elections)
- Falkirk West (5 elections)
- Falmouth and Camborne (16 elections)
- Fareham (29 elections)
- Farnham (18 elections)
- Farnworth (18 elections)
- Faversham (29 elections)
- Faversham and Mid Kent (7 elections)
- Feltham (5 elections)
- Feltham and Heston (13 elections)
- Fermanagh (12 elections)
- Fermanagh and South Tyrone (20 elections)
- Fermanagh and Tyrone (7 elections)
- Fife (12 elections)
- Filton and Bradley Stoke (4 elections)
- Finchley (21 elections)
- Finchley and Golders Green (7 elections)
- Finsbury (20 elections)
- Flint Boroughs (20 elections)
- Flintshire (28 elections)
- Folkestone and Hythe (20 elections)
- Forest of Dean (23 elections)
- Forfarshire (28 elections)
- Foyle (10 elections)
- Frome (28 elections)
- Fulham (19 elections)
- Fylde (18 elections)
- Gainsborough (33 elections)
- Gainsborough and Horncastle (3 elections)
- Galloway (18 elections)
- Galloway and Upper Nithsdale (5 elections)
- Galway City (20 elections)
- Galway Connemara (9 elections)
- Garston and Halewood (4 elections)
- Gateshead (32 elections)
- Gateshead East (13 elections)
- Gateshead East and Washington West (3 elections)
- Gateshead West (10 elections)
- Gedling (10 elections)
- Gillingham (24 elections)
- Gillingham and Rainham (4 elections)
- Glamorganshire (12 elections)
- Glanford and Scunthorpe (3 elections)
- Glasgow (12 elections)
- Glasgow Anniesland (2 elections)
- Glasgow Baillieston (2 elections)
- Glasgow Blackfriars and Hutchesontown (8 elections)
- Glasgow Bridgeton (23 elections)
- Glasgow Camlachie (18 elections)
- Glasgow Cathcart (23 elections)
- Glasgow Central (34 elections)
- Glasgow College (8 elections)
- Glasgow Craigton (8 elections)
- Glasgow East (5 elections)
- Glasgow Garscadden (6 elections)
- Glasgow Gorbals (15 elections)
- Glasgow Govan (31 elections)
- Glasgow Hillhead (21 elections)
- Glasgow Kelvin (2 elections)
- Glasgow Kelvingrove (18 elections)
- Glasgow Maryhill (23 elections)
- Glasgow North (5 elections)
- Glasgow North East (5 elections)
- Glasgow North West (5 elections)
- Glasgow Partick (8 elections)
- Glasgow Pollok (23 elections)
- Glasgow Provan (11 elections)
- Glasgow Queen's Park (3 elections)
- Glasgow Rutherglen (5 elections)
- Glasgow Scotstoun (7 elections)
- Glasgow Shettleston (23 elections)
- Glasgow South (5 elections)
- Glasgow South West (5 elections)
- Glasgow Springburn (23 elections)
- Glasgow St Rollox (16 elections)
- Glasgow Tradeston (18 elections)
- Glasgow Woodside (7 elections)
- Glenrothes (5 elections)
- Gloucester (48 elections)
- Goole (10 elections)
- Gordon (10 elections)
- Gorton (8 elections)
- Gosport (13 elections)
- Gosport and Fareham (7 elections)
- Gower (36 elections)
- Grantham (41 elections)
- Grantham and Stamford (7 elections)
- Gravesend (29 elections)
- Gravesham (10 elections)
- Great Grimsby (48 elections)
- Great Marlow (12 elections)
- Great Yarmouth (38 elections)
- Greenock (35 elections)
- Greenock and Inverclyde (2 elections)
- Greenock and Port Glasgow (6 elections)
- Greenwich (41 elections)
- Greenwich and Woolwich (7 elections)
- Guildford (48 elections)
- Hackney (3 elections)
- Hackney Central (24 elections)
- Hackney North (16 elections)
- Hackney North and Stoke Newington (20 elections)
- Hackney South (18 elections)
- Hackney South and Shoreditch (13 elections)
- Haddington Burghs (12 elections)
- Haddingtonshire (20 elections)
- Haggerston (8 elections)
- Halesowen and Rowley Regis (7 elections)
- Halesowen and Stourbridge (6 elections)
- Halifax (48 elections)
- Hallamshire (8 elections)
- Haltemprice (8 elections)
- Haltemprice and Howden (7 elections)
- Halton (10 elections)
- Hamilton (21 elections)
- Hamilton North and Bellshill (2 elections)
- Hamilton South (2 elections)
- Hammersmith (15 elections)
- Hammersmith and Fulham (3 elections)
- Hampstead (26 elections)
- Hampstead and Highgate (6 elections)
- Hampstead and Kilburn (4 elections)
- Handsworth (8 elections)
- Hanley (16 elections)
- Harborough (36 elections)
- Harlow (13 elections)
- Harrogate (13 elections)
- Harrogate and Knaresborough (7 elections)
- Harrow (15 elections)
- Harrow Central (10 elections)
- Harrow East (21 elections)
- Harrow West (21 elections)
- Hartlepool (13 elections)
- Harwich (44 elections)
- Harwich and North Essex (4 elections)
- Hastings (38 elections)
- Hastings and Rye (10 elections)
- Havant (10 elections)
- Havant and Waterloo (3 elections)
- Haverfordwest (12 elections)
- Hawick Burghs (11 elections)
- Hayes and Harlington (20 elections)
- Hazel Grove (13 elections)
- Helston (12 elections)
- Hemel Hempstead (25 elections)
- Hemsworth (28 elections)
- Hendon (14 elections)
- Hendon North (14 elections)
- Hendon South (14 elections)
- Henley (36 elections)
- Hereford (44 elections)
- Hereford and South Herefordshire (4 elections)
- Herefordshire (12 elections)
- Hertford (35 elections)
- Hertford and Stevenage (3 elections)
- Hertford and Stortford (10 elections)
- Hertfordshire (12 elections)
- Hertsmere (10 elections)
- Heston and Isleworth (8 elections)
- Hexham (36 elections)
- Heywood (8 elections)
- Heywood and Middleton (10 elections)
- Heywood and Radcliffe (8 elections)
- Heywood and Royton (10 elections)
- High Peak (36 elections)
- Hitchin (26 elections)
- Hitchin and Harpenden (7 elections)
- Holborn (16 elections)
- Holborn and St Pancras (10 elections)
- Holborn and St Pancras South (10 elections)
- Holderness (16 elections)
- Holland with Boston (21 elections)
- Holmfirth (8 elections)
- Honiton (38 elections)
- Horncastle (26 elections)
- Hornchurch (17 elections)
- Hornchurch and Upminster (4 elections)
- Hornsey (26 elections)
- Hornsey and Wood Green (10 elections)
- Horsham (38 elections)
- Horsham and Crawley (3 elections)
- Horsham and Worthing (7 elections)
- Houghton and Sunderland South (4 elections)
- Houghton and Washington (3 elections)
- Houghton and Washington East (3 elections)
- Houghton-le-Spring (26 elections)
- Hove (20 elections)
- Howden (8 elections)
- Howdenshire (16 elections)
- Hoxton (8 elections)
- Huddersfield (38 elections)
- Huntingdon (30 elections)
- Huntingdonshire (30 elections)
- Huyton (10 elections)
- Hyde (8 elections)
- Hyndburn (10 elections)
- Hythe (28 elections)
- Ilford (7 elections)
- Ilford North (21 elections)
- Ilford South (21 elections)
- Ilkeston (26 elections)
- Ince (26 elections)
- Inverclyde (5 elections)
- Inverness (18 elections)
- Inverness Burghs (20 elections)
- Inverness East, Nairn and Lochaber (2 elections)
- Inverness, Nairn and Lochaber (3 elections)
- Inverness, Nairn, Badenoch and Strathspey (5 elections)
- Inverness-shire (20 elections)
- Ipswich (48 elections)
- Isle of Ely (18 elections)
- Isle of Thanet (23 elections)
- Isle of Wight (48 elections)
- Islington Central (3 elections)
- Islington East (23 elections)
- Islington North (36 elections)
- Islington South (16 elections)
- Islington South and Finsbury (13 elections)
- Islington South West (7 elections)
- Islington West (16 elections)
- Islwyn (10 elections)
- Jarrow (36 elections)
- Keighley (36 elections)
- Kendal (20 elections)
- Kenilworth and Southam (4 elections)
- Kennington (16 elections)
- Kensington (10 elections)
- Kensington and Chelsea (3 elections)
- Kensington North (23 elections)
- Kensington South (23 elections)
- Kerry (12 elections)
- Kettering (28 elections)
- Kidderminster (38 elections)
- Kildare (12 elections)
- Kilkenny (12 elections)
- Kilkenny City (20 elections)
- Kilmarnock (18 elections)
- Kilmarnock and Loudoun (10 elections)
- Kilmarnock Burghs (20 elections)
- Kincardine and Deeside (3 elections)
- Kincardineshire (20 elections)
- King's County (13 elections)
- King's Lynn (35 elections)
- Kingston and Surbiton (7 elections)
- Kingston upon Hull (12 elections)
- Kingston upon Hull Haltemprice (2 elections)
- Kingston upon Thames (29 elections)
- Kingswinford (16 elections)
- Kingswood (13 elections)
- Kinross and Western Perthshire (18 elections)
- Kinsale (12 elections)
- Kirkcaldy (8 elections)
- Kirkcaldy and Cowdenbeath (5 elections)
- Kirkcaldy Burghs (35 elections)
- Kirkcudbrightshire (20 elections)
- Knaresborough (12 elections)
- Knowsley (4 elections)
- Knowsley North (3 elections)
- Knowsley North and Sefton East (3 elections)
- Knowsley South (6 elections)
- Knutsford (26 elections)
- Lagan Valley (10 elections)
- Lambeth (12 elections)
- Lambeth Central (3 elections)
- Lambeth North (16 elections)
- Lanark (18 elections)
- Lanark and Hamilton East (5 elections)
- Lanarkshire (9 elections)
- Lancaster (38 elections)
- Lancaster and Fleetwood (4 elections)
- Lancaster and Wyre (3 elections)
- Langbaurgh (3 elections)
- Launceston (20 elections)
- Leeds (12 elections)
- Leeds Central (28 elections)
- Leeds East (26 elections)
- Leeds North (18 elections)
- Leeds North East (28 elections)
- Leeds North West (20 elections)
- Leeds South (26 elections)
- Leeds South East (18 elections)
- Leeds West (36 elections)
- Leek (26 elections)
- Leicester (20 elections)
- Leicester East (21 elections)
- Leicester North East (7 elections)
- Leicester North West (7 elections)
- Leicester South (21 elections)
- Leicester South East (7 elections)
- Leicester South West (7 elections)
- Leicester West (21 elections)
- Leigh (36 elections)
- Leith (8 elections)
- Leith Burghs (20 elections)
- Leitrim (13 elections)
- Leix (8 elections)
- Leominster (44 elections)
- Lewes (48 elections)
- Lewisham (8 elections)
- Lewisham Deptford (13 elections)
- Lewisham East (21 elections)
- Lewisham North (7 elections)
- Lewisham South (7 elections)
- Lewisham West (24 elections)
- Lewisham West and Penge (4 elections)
- Leyton (13 elections)
- Leyton and Wanstead (7 elections)
- Leyton East (8 elections)
- Leyton West (8 elections)
- Lichfield (35 elections)
- Lichfield and Tamworth (10 elections)
- Limehouse (16 elections)
- Limerick (12 elections)
- Limerick City (21 elections)
- Lincoln (48 elections)
- Linlithgow (5 elections)
- Linlithgow and East Falkirk (5 elections)
- Linlithgowshire (28 elections)
- Lisburn (12 elections)
- Liskeard (12 elections)
- Littleborough and Saddleworth (3 elections)
- Liverpool (12 elections)
- Liverpool Abercromby (8 elections)
- Liverpool Broadgreen (3 elections)
- Liverpool East Toxteth (16 elections)
- Liverpool Edge Hill (18 elections)
- Liverpool Everton (16 elections)
- Liverpool Exchange (23 elections)
- Liverpool Fairfield (8 elections)
- Liverpool Garston (16 elections)
- Liverpool Kirkdale (26 elections)
- Liverpool Mossley Hill (3 elections)
- Liverpool Riverside (10 elections)
- Liverpool Scotland (23 elections)
- Liverpool Scotland Exchange (3 elections)
- Liverpool Toxteth (10 elections)
- Liverpool Walton (36 elections)
- Liverpool Wavertree (25 elections)
- Liverpool West Derby (36 elections)
- Liverpool West Toxteth (16 elections)
- Livingston (10 elections)
- Llandaff and Barry (8 elections)
- Llanelli (14 elections)
- Llanelly (14 elections)
- Londonderry (29 elections)
- Londonderry City (21 elections)
- London University (19 elections)
- Longford (13 elections)
- Lonsdale (8 elections)
- Loughborough (36 elections)
- Louth (26 elections)
- Louth and Horncastle (7 elections)
- Lowestoft (26 elections)
- Ludlow (48 elections)
- Luton (23 elections)
- Luton East (3 elections)
- Luton North (10 elections)
- Luton South (10 elections)
- Luton West (3 elections)
- Lyme Regis (9 elections)
- Lymington (12 elections)
- Macclesfield (48 elections)
- Maidenhead (7 elections)
- Maidstone (41 elections)
- Maidstone and The Weald (7 elections)
- Makerfield (10 elections)
- Maldon (42 elections)
- Maldon and East Chelmsford (3 elections)
- Mallow (12 elections)
- Malmesbury (12 elections)
- Malton (12 elections)
- Manchester (12 elections)
- Manchester Ardwick (18 elections)
- Manchester Blackley (24 elections)
- Manchester Central (13 elections)
- Manchester Cheetham (7 elections)
- Manchester Clayton (10 elections)
- Manchester East (8 elections)
- Manchester Exchange (15 elections)
- Manchester Gorton (28 elections)
- Manchester Hulme (8 elections)
- Manchester Moss Side (18 elections)
- Manchester North (8 elections)
- Manchester North East (8 elections)
- Manchester North West (8 elections)
- Manchester Openshaw (8 elections)
- Manchester Platting (8 elections)
- Manchester Rusholme (8 elections)
- Manchester South (8 elections)
- Manchester South West (8 elections)
- Manchester Withington (28 elections)
- Manchester Wythenshawe (13 elections)
- Mansfield (36 elections)
- Marlborough (12 elections)
- Marylebone (12 elections)
- Mayo (12 elections)
- Meath (12 elections)
- Medway (14 elections)
- Meirionnydd Nant Conwy (6 elections)
- Melton (26 elections)
- Meon Valley (4 elections)
- Meriden (18 elections)
- Merioneth (38 elections)
- Merthyr (8 elections)
- Merthyr Tydfil (30 elections)
- Merthyr Tydfil and Rhymney (10 elections)
- Merton and Morden (7 elections)
- Mid Antrim (9 elections)
- Mid Armagh (9 elections)
- Mid Bedfordshire (28 elections)
- Mid Cheshire (3 elections)
- Mid Cork (9 elections)
- Mid Derbyshire (12 elections)
- Middlesbrough (24 elections)
- Middlesex (12 elections)
- Middleton (8 elections)
- Middleton and Prestwich (18 elections)
- Mid Dorset and North Poole (7 elections)
- Mid Down (1 election)
- Mid Durham (8 elections)
- Mid Glamorganshire (8 elections)
- Midhurst (12 elections)
- Mid Kent (6 elections)
- Mid Lanarkshire (8 elections)
- Mid Lincolnshire (3 elections)
- Midlothian (38 elections)
- Midlothian and Peebles (2 elections)
- Midlothian and Peebles Northern (8 elections)
- Mid Norfolk (18 elections)
- Mid Northamptonshire (8 elections)
- Mid Oxfordshire (3 elections)
- Mid Somerset (3 elections)
- Mid Staffordshire (3 elections)
- Mid Surrey (3 elections)
- Mid Sussex (13 elections)
- Mid Tipperary (9 elections)
- Mid Tyrone (8 elections)
- Mid Ulster (20 elections)
- Mid Worcestershire (10 elections)
- Mile End (16 elections)
- Milton Keynes (2 elections)
- Mitcham (15 elections)
- Mitcham and Morden (13 elections)
- Mole Valley (10 elections)
- Monaghan (12 elections)
- Monklands East (3 elections)
- Monklands West (3 elections)
- Monmouth (28 elections)
- Monmouth Boroughs (20 elections)
- Monmouthshire (12 elections)
- Montgomery (41 elections)
- Montgomery Boroughs (20 elections)
- Montgomeryshire (7 elections)
- Montrose Burghs (28 elections)
- Moray (10 elections)
- Moray and Nairn (18 elections)
- Morecambe and Lonsdale (10 elections)
- Morecambe and Lunesdale (10 elections)
- Morley (8 elections)
- Morley and Leeds South (3 elections)
- Morley and Outwood (4 elections)
- Morley and Rothwell (3 elections)
- Morpeth (38 elections)
- Mossley (8 elections)
- Motherwell (15 elections)
- Motherwell and Wishaw (10 elections)
- Motherwell North (3 elections)
- Motherwell South (3 elections)
- Na h-Eileanan an Iar (5 elections)
- Nantwich (8 elections)
- National University of Ireland (1 election)
- Neath (28 elections)
- Nelson and Colne (18 elections)
- Newark (48 elections)
- Newbury (36 elections)
- Newcastle-under-Lyme (48 elections)
- Newcastle upon Tyne (20 elections)
- New Forest (21 elections)
- New Forest and Christchurch (8 elections)
- New Forest East (7 elections)
- New Forest West (7 elections)
- Newham North East (6 elections)
- Newham North West (6 elections)
- Newham South (6 elections)
- Newmarket (8 elections)
- Newport (18 elections)
- Newport East (10 elections)
- Newport (Isle of Wight) (12 elections)
- Newport (Shropshire) (8 elections)
- Newport West (10 elections)
- New Ross (12 elections)
- Newry (20 elections)
- Newry and Armagh (10 elections)
- New Shoreham (12 elections)
- Newton (26 elections)
- Newton Abbot (4 elections)
- Normanton (32 elections)
- Normanton, Pontefract and Castleford (4 elections)
- Northallerton (12 elections)
- Northampton (35 elections)
- Northampton North (13 elections)
- Northampton South (13 elections)
- North Angus and Mearns (10 elections)
- North Antrim (29 elections)
- North Armagh (9 elections)
- Northavon (6 elections)
- North Ayrshire (11 elections)
- North Ayrshire and Arran (5 elections)
- North Bedfordshire (3 elections)
- North Cheshire (9 elections)
- North Cork (9 elections)
- North Cornwall (28 elections)
- North County Dublin (9 elections)
- North Derbyshire (12 elections)
- North Devon (32 elections)
- North Donegal (9 elections)
- North Dorset (36 elections)
- North Down (29 elections)
- North Durham (22 elections)
- North East Bedfordshire (7 elections)
- North East Bethnal Green (16 elections)
- North East Cambridgeshire (10 elections)
- North East Cork (9 elections)
- North East Derbyshire (36 elections)
- North East Fife (10 elections)
- North East Hampshire (7 elections)
- North East Hertfordshire (7 elections)
- North East Lanarkshire (8 elections)
- North East Lancashire (3 elections)
- North East Milton Keynes (4 elections)
- North East Somerset (4 elections)
- North East Tyrone (1 election)
- North East Wolverhampton (20 elections)
- Northern West Riding of Yorkshire (4 elections)
- North Essex (12 elections)
- North Fermanagh (9 elections)
- North Fylde (10 elections)
- North Galway (9 elections)
- North Hammersmith (18 elections)
- North Hampshire (12 elections)
- North Herefordshire (4 elections)
- North Hertfordshire (3 elections)
- North Kerry (9 elections)
- North Kildare (9 elections)
- North Kilkenny (9 elections)
- North Kingston upon Hull (17 elections)
- North Lanarkshire (21 elections)
- North Lancashire (12 elections)
- North Leicestershire (12 elections)
- North Leitrim (8 elections)
- North Lincolnshire (12 elections)
- North Londonderry (9 elections)
- North Longford (8 elections)
- North Lonsdale (8 elections)
- North Louth (8 elections)
- North Mayo (9 elections)
- North Meath (9 elections)
- North Milton Keynes (4 elections)
- North Monaghan (9 elections)
- North Monmouthshire (8 elections)
- North Newcastle upon Tyne (28 elections)
- North Norfolk (39 elections)
- North Northamptonshire (20 elections)
- North Northumberland (12 elections)
- North Nottinghamshire (12 elections)
- North Reading (2 elections)
- North Riding of Yorkshire (12 elections)
- North Roscommon (9 elections)
- North Shropshire (22 elections)
- North Sligo (9 elections)
- North Somerset (22 elections)
- North Southwark and Bermondsey (3 elections)
- North Staffordshire (12 elections)
- North Stoke-on-Trent (20 elections)
- North Swindon (7 elections)
- North Tayside (5 elections)
- North Thanet (10 elections)
- North Tipperary (9 elections)
- North Tyneside (7 elections)
- North Tyrone (8 elections)
- North Warwickshire (22 elections)
- North West Cambridgeshire (7 elections)
- North West Durham (28 elections)
- North West Hampshire (10 elections)
- North West Kingston upon Hull (8 elections)
- North West Lanarkshire (8 elections)
- North West Leicestershire (10 elections)
- North Westmeath (8 elections)
- North West Norfolk (21 elections)
- North West Staffordshire (8 elections)
- North West Surrey (6 elections)
- North West Tyrone (1 election)
- North Wexford (9 elections)
- Northwich (26 elections)
- North Wiltshire (22 elections)
- North Worcestershire (8 elections)
- Norwich (28 elections)
- Norwich North (20 elections)
- Norwich South (20 elections)
- Norwood (29 elections)
- Nottingham (12 elections)
- Nottingham Central (15 elections)
- Nottingham East (31 elections)
- Nottingham North (18 elections)
- Nottingham North West (2 elections)
- Nottingham South (33 elections)
- Nottingham West (24 elections)
- Nuneaton (36 elections)
- Ochil (2 elections)
- Ochil and South Perthshire (5 elections)
- Ogmore (28 elections)
- Old Bexley and Sidcup (10 elections)
- Oldbury and Halesowen (7 elections)
- Oldham (28 elections)
- Oldham Central and Royton (3 elections)
- Oldham East (10 elections)
- Oldham East and Saddleworth (7 elections)
- Oldham West (13 elections)
- Oldham West and Royton (7 elections)
- Orkney and Shetland (48 elections)
- Ormskirk (26 elections)
- Orpington (21 elections)
- Osgoldcross (8 elections)
- Ossory (8 elections)
- Oswestry (26 elections)
- Otley (8 elections)
- Oxford (38 elections)
- Oxford East (10 elections)
- Oxfordshire (12 elections)
- Oxford University (28 elections)
- Oxford West and Abingdon (10 elections)
- Paddington (3 elections)
- Paddington North (23 elections)
- Paddington South (23 elections)
- Paisley (38 elections)
- Paisley and Renfrewshire North (5 elections)
- Paisley and Renfrewshire South (5 elections)
- Paisley North (5 elections)
- Paisley South (5 elections)
- Partick (8 elections)
- Peckham (29 elections)
- Peebles and Selkirk (11 elections)
- Peebles and South Midlothian (8 elections)
- Peeblesshire (9 elections)
- Pembroke and Haverfordwest (8 elections)
- Pembroke Boroughs (12 elections)
- Pembrokeshire (41 elections)
- Pendle (10 elections)
- Penistone (18 elections)
- Penistone and Stocksbridge (4 elections)
- Penrith (8 elections)
- Penrith and Cockermouth (8 elections)
- Penrith and The Border (20 elections)
- Penryn and Falmouth (28 elections)
- Perth (30 elections)
- Perth and East Perthshire (10 elections)
- Perth and Kinross (3 elections)
- Perth and North Perthshire (5 elections)
- Perthshire (12 elections)
- Peterborough (48 elections)
- Petersfield (38 elections)
- Plaistow (8 elections)
- Plymouth (20 elections)
- Plymouth Devonport (24 elections)
- Plymouth Drake (14 elections)
- Plymouth Moor View (4 elections)
- Plymouth Sutton (24 elections)
- Plymouth Sutton and Devonport (4 elections)
- Pontefract (35 elections)
- Pontefract and Castleford (9 elections)
- Pontypool (18 elections)
- Pontypridd (28 elections)
- Poole (32 elections)
- Poplar (15 elections)
- Poplar and Canning Town (3 elections)
- Poplar and Limehouse (4 elections)
- Poplar South (8 elections)
- Portarlington (12 elections)
- Portsmouth (20 elections)
- Portsmouth Central (8 elections)
- Portsmouth Langstone (7 elections)
- Portsmouth North (21 elections)
- Portsmouth South (28 elections)
- Portsmouth West (7 elections)
- Preseli Pembrokeshire (7 elections)
- Preston (38 elections)
- Preston North (10 elections)
- Preston South (10 elections)
- Prestwich (8 elections)
- Pudsey (28 elections)
- Pudsey and Otley (8 elections)
- Putney (28 elections)
- Queen's County (13 elections)
- Queen's University of Belfast (8 elections)
- Radcliffe-cum-Farnworth (8 elections)
- Radnor (12 elections)
- Radnorshire (20 elections)
- Ramsey (8 elections)
- Ravensbourne (6 elections)
- Rayleigh (3 elections)
- Rayleigh and Wickford (4 elections)
- Reading (33 elections)
- Reading East (10 elections)
- Reading North (3 elections)
- Reading South (3 elections)
- Reading West (10 elections)
- Redcar (13 elections)
- Redditch (7 elections)
- Regent's Park and Kensington North (3 elections)
- Reigate (45 elections)
- Renfrewshire (12 elections)
- Renfrew West and Inverclyde (3 elections)
- Rhondda (21 elections)
- Rhondda East (15 elections)
- Rhondda West (15 elections)
- Ribble Valley (10 elections)
- Richmond and Barnes (3 elections)
- Richmond Park (7 elections)
- Richmond (Surrey) (14 elections)
- Richmond upon Thames (4 elections)
- Richmond (Yorks) (48 elections)
- Ripon (38 elections)
- Rochdale (48 elections)
- Rochester (20 elections)
- Rochester and Chatham (10 elections)
- Rochester and Strood (4 elections)
- Rochford (3 elections)
- Rochford and Southend East (7 elections)
- Romford (36 elections)
- Romsey (3 elections)
- Romsey and Southampton North (4 elections)
- Romsey and Waterside (3 elections)
- Roscommon (12 elections)
- Ross (8 elections)
- Ross and Cromarty (38 elections)
- Ross, Cromarty and Skye (3 elections)
- Rossendale (26 elections)
- Rossendale and Darwen (10 elections)
- Ross, Skye and Inverness West (2 elections)
- Ross, Skye and Lochaber (5 elections)
- Rotherham (36 elections)
- Rotherhithe (16 elections)
- Rother Valley (28 elections)
- Rothwell (8 elections)
- Rowley Regis and Tipton (7 elections)
- Roxburgh and Berwickshire (5 elections)
- Roxburgh and Selkirk (10 elections)
- Roxburgh, Selkirk and Peebles (8 elections)
- Roxburghshire (20 elections)
- Royal Tunbridge Wells (3 elections)
- Royton (8 elections)
- Rugby (30 elections)
- Rugby and Kenilworth (6 elections)
- Ruislip-Northwood (16 elections)
- Ruislip, Northwood and Pinner (4 elections)
- Runcorn (10 elections)
- Runnymede and Weybridge (7 elections)
- Rushcliffe (36 elections)
- Rutherglen (18 elections)
- Rutherglen and Hamilton West (5 elections)
- Rutland (20 elections)
- Rutland and Melton (10 elections)
- Rutland and Stamford (18 elections)
- Rye (36 elections)
- Ryedale (6 elections)
- Saffron Walden (36 elections)
- Salford (15 elections)
- Salford and Eccles (4 elections)
- Salford East (13 elections)
- Salford North (16 elections)
- Salford South (16 elections)
- Salford West (26 elections)
- Salisbury (48 elections)
- Sandwich (12 elections)
- Scarborough (26 elections)
- Scarborough and Whitby (22 elections)
- Scunthorpe (7 elections)
- Seaham (8 elections)
- Sedgefield (25 elections)
- Sefton Central (4 elections)
- Selby (6 elections)
- Selby and Ainsty (4 elections)
- Selkirkshire (9 elections)
- Sevenoaks (36 elections)
- Shaftesbury (12 elections)
- Sheffield (12 elections)
- Sheffield Attercliffe (32 elections)
- Sheffield Brightside (32 elections)
- Sheffield Brightside and Hillsborough (4 elections)
- Sheffield Central (26 elections)
- Sheffield Ecclesall (16 elections)
- Sheffield Hallam (36 elections)
- Sheffield Heeley (20 elections)
- Sheffield Hillsborough (24 elections)
- Sheffield Neepsend (2 elections)
- Sheffield Park (18 elections)
- Sheffield South East (4 elections)
- Sherwood (10 elections)
- Shipley (36 elections)
- Shoreditch (8 elections)
- Shoreditch and Finsbury (7 elections)
- Shoreham (6 elections)
- Shrewsbury (38 elections)
- Shrewsbury and Atcham (10 elections)
- Sidcup (3 elections)
- Silvertown (8 elections)
- Sittingbourne and Sheppey (7 elections)
- Skipton (26 elections)
- Skipton and Ripon (10 elections)
- Sleaford (8 elections)
- Sleaford and North Hykeham (7 elections)
- Sligo (12 elections)
- Sligo Borough (10 elections)
- Slough (10 elections)
- Smethwick (15 elections)
- Solihull (21 elections)
- Somerton and Frome (10 elections)
- Southall (11 elections)
- Southampton (28 elections)
- Southampton Itchen (20 elections)
- Southampton Test (20 elections)
- South Angus (10 elections)
- South Antrim (29 elections)
- South Armagh (9 elections)
- South Ayrshire (29 elections)
- South Basildon and East Thurrock (4 elections)
- South Bedfordshire (10 elections)
- South Buckinghamshire (7 elections)
- South Cambridgeshire (7 elections)
- South Cheshire (9 elections)
- South Colchester and Maldon (3 elections)
- South Cork (9 elections)
- South County Dublin (9 elections)
- South Derbyshire (38 elections)
- South Devon (12 elections)
- South Donegal (9 elections)
- South Dorset (36 elections)
- South Down (29 elections)
- South Durham (12 elections)
- South East Cambridgeshire (10 elections)
- South East Cork (9 elections)
- South East Cornwall (10 elections)
- South East Derbyshire (10 elections)
- South East Durham (8 elections)
- South East Essex (24 elections)
- South East Lancashire (3 elections)
- South East Staffordshire (3 elections)
- South East Wolverhampton (13 elections)
- Southend East (13 elections)
- Southend-on-Sea (8 elections)
- Southend West (20 elections)
- Southern West Riding of Yorkshire (4 elections)
- South Essex (12 elections)
- South Fermanagh (9 elections)
- South Fylde (10 elections)
- South Galway (9 elections)
- Southgate (7 elections)
- South Glamorganshire (8 elections)
- South Gloucestershire (10 elections)
- South Hammersmith (10 elections)
- South Hampshire (12 elections)
- South Hams (3 elections)
- South Hertfordshire (3 elections)
- South Holland and The Deepings (7 elections)
- South Kerry (9 elections)
- South Kildare (9 elections)
- South Kilkenny (9 elections)
- South Lanarkshire (11 elections)
- South Lancashire (9 elections)
- South Leicestershire (16 elections)
- South Leitrim (8 elections)
- South Lincolnshire (12 elections)
- South Londonderry (9 elections)
- South Longford (8 elections)
- South Louth (8 elections)
- South Mayo (9 elections)
- South Meath (9 elections)
- South Middlesbrough and East Cleveland (7 elections)
- South Milton Keynes (4 elections)
- South Molton (16 elections)
- South Monaghan (9 elections)
- South Monmouthshire (8 elections)
- South Norfolk (39 elections)
- South Northamptonshire (31 elections)
- South Northumberland (12 elections)
- South Nottinghamshire (12 elections)
- Southport (36 elections)
- South Reading (2 elections)
- South Ribble (10 elections)
- South Roscommon (9 elections)
- South Shields (48 elections)
- South Shropshire (12 elections)
- South Sligo (9 elections)
- South Somerset (8 elections)
- South Staffordshire (19 elections)
- South Stoke-on-Trent (20 elections)
- South Suffolk (10 elections)
- South Swindon (7 elections)
- South Thanet (10 elections)
- South Tipperary (9 elections)
- South Tyrone (9 elections)
- Southwark (19 elections)
- Southwark and Bermondsey (3 elections)
- Southwark Central (8 elections)
- Southwark North (8 elections)
- Southwark South East (8 elections)
- Southwark West (8 elections)
- South Warwickshire (12 elections)
- South West Bedfordshire (10 elections)
- South West Bethnal Green (16 elections)
- South West Cambridgeshire (3 elections)
- South West Devon (7 elections)
- South West Hertfordshire (20 elections)
- South West Kingston upon Hull (8 elections)
- South West Lancashire (3 elections)
- South Westmeath (8 elections)
- South West Milton Keynes (4 elections)
- South West Norfolk (36 elections)
- South West Staffordshire (3 elections)
- South West Surrey (10 elections)
- South West Wiltshire (4 elections)
- South West Wolverhampton (20 elections)
- South Wexford (9 elections)
- South Wiltshire (12 elections)
- South Wolverhampton (8 elections)
- South Worcestershire (13 elections)
- Sowerby (26 elections)
- Spalding (8 elections)
- Spelthorne (28 elections)
- Spennymoor (8 elections)
- Spen Valley (16 elections)
- Stafford (38 elections)
- Stafford and Stone (10 elections)
- Staffordshire Moorlands (10 elections)
- St Albans (41 elections)
- Stalybridge (11 elections)
- Stalybridge and Hyde (28 elections)
- Stamford (20 elections)
- Stamford and Spalding (3 elections)
- St Andrews Burghs (20 elections)
- St Augustine's (8 elections)
- St Austell (8 elections)
- St Austell and Newquay (4 elections)
- Stepney (15 elections)
- Stepney and Poplar (3 elections)
- Stevenage (10 elections)
- St George (8 elections)
- St George's, Hanover Square (8 elections)
- St Helens (26 elections)
- St Helens North (10 elections)
- St Helens South (6 elections)
- St Helens South and Whiston (4 elections)
- Stirling (10 elections)
- Stirling and Falkirk (15 elections)
- Stirling Burghs (20 elections)
- Stirling, Falkirk and Grangemouth (3 elections)
- Stirlingshire (20 elections)
- St Ives (48 elections)
- St Marylebone (18 elections)
- Stockport (38 elections)
- Stockport North (10 elections)
- Stockport South (10 elections)
- Stockton North (10 elections)
- Stockton-on-Tees (29 elections)
- Stockton South (10 elections)
- Stoke (8 elections)
- Stoke Newington (8 elections)
- Stoke-on-Trent (20 elections)
- Stone (15 elections)
- Stourbridge (15 elections)
- Stowmarket (8 elections)
- St Pancras East (8 elections)
- St Pancras North (26 elections)
- St Pancras South (8 elections)
- St Pancras South East (8 elections)
- St Pancras South West (8 elections)
- St Pancras West (8 elections)
- Strand (8 elections)
- Strangford (10 elections)
- Stratford (8 elections)
- Stratford-on-Avon (28 elections)
- Strathkelvin and Bearsden (5 elections)
- Streatham (28 elections)
- Stretford (29 elections)
- Stretford and Urmston (7 elections)
- Stroud (46 elections)
- Stroud and Thornbury (2 elections)
- Sudbury (20 elections)
- Sudbury and Woodbridge (10 elections)
- Suffolk Coastal (10 elections)
- Sunderland (28 elections)
- Sunderland Central (4 elections)
- Sunderland North (16 elections)
- Sunderland South (16 elections)
- Surbiton (11 elections)
- Surrey Heath (7 elections)
- Sutherland (20 elections)
- Sutton and Cheam (21 elections)
- Sutton Coldfield (21 elections)
- Swansea District (20 elections)
- Swansea East (28 elections)
- Swansea Town (8 elections)
- Swansea West (28 elections)
- Swindon (21 elections)
- Tamworth (34 elections)
- Tatton (10 elections)
- Taunton (44 elections)
- Taunton Deane (4 elections)
- Tavistock (35 elections)
- Teignbridge (6 elections)
- Telford (7 elections)
- Tewkesbury (27 elections)
- The Cotswolds (4 elections)
- The Hartlepools (26 elections)
- Thetford (9 elections)
- The Wrekin (28 elections)
- Thirsk (12 elections)
- Thirsk and Malton (30 elections)
- Thornaby (3 elections)
- Thornbury (16 elections)
- Thornbury and Yate (4 elections)
- Thurrock (21 elections)
- Tipperary (12 elections)
- Tiverton (41 elections)
- Tiverton and Honiton (7 elections)
- Tonbridge (15 elections)
- Tonbridge and Malling (13 elections)
- Tooting (13 elections)
- Torbay (13 elections)
- Torfaen (10 elections)
- Torquay (23 elections)
- Torridge and West Devon (10 elections)
- Torrington (7 elections)
- Totnes (42 elections)
- Tottenham (28 elections)
- Tottenham North (8 elections)
- Tottenham South (8 elections)
- Tower Hamlets (12 elections)
- Tralee (12 elections)
- Truro (33 elections)
- Truro and Falmouth (4 elections)
- Truro and St Austell (3 elections)
- Tullamore (8 elections)
- Tunbridge (8 elections)
- Tunbridge Wells (10 elections)
- Tweeddale, Ettrick and Lauderdale (5 elections)
- Twickenham (28 elections)
- Tyne Bridge (6 elections)
- Tynemouth (36 elections)
- Tynemouth and North Shields (12 elections)
- Tyneside (8 elections)
- Tyrone (12 elections)
- University of Wales (8 elections)
- Upminster (9 elections)
- Upper Bann (10 elections)
- Upton (8 elections)
- Uxbridge (32 elections)
- Uxbridge and South Ruislip (4 elections)
- Vale of Clwyd (7 elections)
- Vale of Glamorgan (10 elections)
- Vale of York (3 elections)
- Vauxhall (20 elections)
- Wakefield (48 elections)
- Wallasey (28 elections)
- Wallingford (12 elections)
- Wallsend (21 elections)
- Walsall (30 elections)
- Walsall North (18 elections)
- Walsall South (18 elections)
- Walthamstow (21 elections)
- Walworth (8 elections)
- Wandsworth (8 elections)
- Wandsworth Central (15 elections)
- Wansbeck (26 elections)
- Wansdyke (6 elections)
- Wanstead and Woodford (9 elections)
- Wantage (10 elections)
- Wareham (12 elections)
- Warley (7 elections)
- Warley East (6 elections)
- Warley West (6 elections)
- Warrington (38 elections)
- Warrington North (10 elections)
- Warrington South (10 elections)
- Warwick (12 elections)
- Warwick and Leamington (36 elections)
- Washington and Sunderland West (4 elections)
- Waterford (12 elections)
- Waterford City (21 elections)
- Waterloo (8 elections)
- Watford (36 elections)
- Waveney (10 elections)
- Wealden (10 elections)
- Weaver Vale (7 elections)
- Wednesbury (26 elections)
- Wellingborough (28 elections)
- Wellington (8 elections)
- Wellington (Somerset) (8 elections)
- Wells (45 elections)
- Welwyn Hatfield (13 elections)
- Wembley North (8 elections)
- Wembley South (8 elections)
- Wenlock (12 elections)
- Wentworth (14 elections)
- Wentworth and Dearne (4 elections)
- West Aberdeen and Kincardine (8 elections)
- West Aberdeenshire (21 elections)
- West Aberdeenshire and Kincardine (7 elections)
- West Bromwich (23 elections)
- West Bromwich East (13 elections)
- West Bromwich West (13 elections)
- Westbury (44 elections)
- West Carmarthenshire (8 elections)
- West Cavan (9 elections)
- West Chelmsford (3 elections)
- West Cheshire (3 elections)
- West Clare (9 elections)
- West Cork (9 elections)
- West Cornwall (12 elections)
- West Cumberland (12 elections)
- West Denbighshire (8 elections)
- West Derbyshire (32 elections)
- West Devon (3 elections)
- West Donegal (9 elections)
- West Dorset (36 elections)
- West Down (9 elections)
- West Dunbartonshire (15 elections)
- Western Isles (23 elections)
- West Essex (3 elections)
- West Fife (23 elections)
- West Flintshire (10 elections)
- West Fulham (10 elections)
- West Gloucestershire (25 elections)
- West Ham (7 elections)
- West Ham North (15 elections)
- West Ham South (15 elections)
- West Hertfordshire (3 elections)
- Westhoughton (26 elections)
- West Huddersfield (10 elections)
- West Kent (12 elections)
- West Kerry (9 elections)
- West Kingston upon Hull (19 elections)
- West Kingston upon Hull and Hessle (7 elections)
- West Lancashire (10 elections)
- West Limerick (9 elections)
- West Lothian (10 elections)
- West Marylebone (8 elections)
- West Mayo (9 elections)
- Westmeath (13 elections)
- West Middlesbrough (15 elections)
- Westminster (20 elections)
- Westminster Abbey (8 elections)
- Westminster North (7 elections)
- Westminster St George's (8 elections)
- West Monmouthshire (8 elections)
- Westmorland (30 elections)
- Westmorland and Lonsdale (10 elections)
- West Newcastle upon Tyne (18 elections)
- West Newington (8 elections)
- West Norfolk (12 elections)
- Weston-super-Mare (28 elections)
- West Perthshire (8 elections)
- West Renfrewshire (28 elections)
- West Riding of Yorkshire (8 elections)
- West Somerset (12 elections)
- West Staffordshire (11 elections)
- West Stirlingshire (18 elections)
- West Suffolk (19 elections)
- West Surrey (12 elections)
- West Sussex (12 elections)
- West Thanet (3 elections)
- West Tyrone (7 elections)
- West Walthamstow (15 elections)
- West Waterford (8 elections)
- West Wicklow (9 elections)
- West Wolverhampton (16 elections)
- West Worcestershire (19 elections)
- Wexford (12 elections)
- Wexford Borough (12 elections)
- Weymouth and Melcombe Regis (12 elections)
- Whitby (20 elections)
- Whitechapel (8 elections)
- Whitechapel and St George's (8 elections)
- Whitehaven (38 elections)
- Wick Burghs (20 elections)
- Wicklow (12 elections)
- Widnes (26 elections)
- Wigan (48 elections)
- Wigtown Burghs (12 elections)
- Wigtownshire (20 elections)
- Willesden East (15 elections)
- Willesden West (15 elections)
- Wilton (20 elections)
- Wimbledon (36 elections)
- Winchester (48 elections)
- Windsor (42 elections)
- Windsor and Maidenhead (6 elections)
- Wirral (26 elections)
- Wirral South (10 elections)
- Wirral West (10 elections)
- Wisbech (8 elections)
- Witham (4 elections)
- Witney (10 elections)
- Woking (20 elections)
- Wokingham (28 elections)
- Wolverhampton (12 elections)
- Woodbridge (16 elections)
- Woodford (5 elections)
- Wood Green (18 elections)
- Woodspring (6 elections)
- Woodstock (20 elections)
- Woolwich (11 elections)
- Woolwich East (18 elections)
- Woolwich West (18 elections)
- Worcester (48 elections)
- Workington (28 elections)
- Worsley (6 elections)
- Worsley and Eccles South (4 elections)
- Worthing (14 elections)
- Worthing West (7 elections)
- Wrexham (28 elections)
- Wycombe (48 elections)
- Wyre (3 elections)
- Wyre and Preston North (4 elections)
- Wyre Forest (10 elections)
- Wythenshawe and Sale East (7 elections)
- Yarmouth (7 elections)
- Yeovil (28 elections)
- Ynys Môn (10 elections)
- York (41 elections)
- York Central (4 elections)
- York Outer (4 elections)
- Youghal (12 elections)