2005 General Election - West Dorset
| Year | 2005 |
| General election | 2005 General Election |
| Constituency | West Dorset |
| Turnout | 76.3% |
Results
| Candidate | Party | Votes |
| Letwin, Oliver | Conservative | 24,763 |
| McGuinness, Justine | Liberal Democrats | 22,302 |
| Roberts, Dave | Labour | 4,124 |
| Guest, Linda | UKIP | 1,084 |
| Greene, Susan | Greens | 952 |