Voting: 18-06-1970
- Anti-Abortion (1 election)
- Anti-Common Market (3 elections)
- Anti-Election (1 election)
- Anti Immigration (1 election)
- Anti-Labour (1 election)
- Anti-Party (1 election)
- British Commonwealth Party (1 election)
- British Movement (1 election)
- Communist (58 elections)
- Conservative (616 elections)
- Democratic (1 election)
- Democratic Party (4 elections)
- Derry Labour (1 election)
- Independent (27 elections)
- Independent Conservative (3 elections)
- Independent Labour Party (1 election)
- Independent Liberal (2 elections)
- Independent Powell Conservative (1 election)
- Independent Progressive (1 election)
- Independent Protestant (1 election)
- Independent Resident (1 election)
- Independent Scottish Labour (1 election)
- Independent Scottish Nationalist (1 election)
- Independent Unionist (3 elections)
- Labour (610 elections)
- Labour Co-op (7 elections)
- Liberal (328 elections)
- Mebyon Kernow (1 election)
- National Democrat (1 election)
- National Democratic (3 elections)
- National Democratic (NI) (2 elections)
- National Front (10 elections)
- National Socialist (1 election)
- NI Labour (7 elections)
- Plaid Cymru (36 elections)
- Protestant Unionist (2 elections)
- Radical Alliance (1 election)
- Ratepayers (1 election)
- Republican Labour (1 election)
- SNP (65 elections)
- Social Credit Party (1 election)
- Socialist (GB) (2 elections)
- Speaker (1 election)
- Ulster Liberal (4 elections)
- Unity (5 elections)
- UUP (12 elections)
- Vectis National Party (1 election)
- World Government (1 election)
- World Government Radical (1 election)
- Young Ideas (1 election)