1970 General Election - South West Hertfordshire
| Year | 1970 |
| General election | 1970 General Election |
| Constituency | South West Hertfordshire |
| Turnout | 75.7% |
Results
| Candidate | Party | Votes |
| Longden, Sir Gilbert | Conservative | 32,661 |
| Grocott, Bruce | Labour | 24,214 |
| Jarrett, JWS | Liberal | 7,489 |
| Skilton, R | Independent Resident | 542 |