1979 General Election - South West Hertfordshire
| Year | 1979 |
| General election | 1979 General Election |
| Constituency | South West Hertfordshire |
| Turnout | 79.7% |
Results
| Candidate | Party | Votes |
| Dodsworth, Geoffrey | Conservative | 33,112 |
| Colman, Anthony | Labour | 16,784 |
| Cass, G | Liberal | 9,808 |
| Graves, P | National Front | 839 |