1959 General Election - South West Hertfordshire
| Year | 1959 |
| General election | 1959 General Election |
| Constituency | South West Hertfordshire |
| Turnout | 84.4% |
Results
| Candidate | Party | Votes |
| Longden, Sir Gilbert James Morley | Conservative | 29,724 |
| Whiteside, Anthony John | Labour | 19,487 |
| Banks, Desmond Anderson Harvie | Liberal | 9,278 |