1950 General Election - South West Hertfordshire
| Year | 1950 |
| General election | 1950 General Election |
| Constituency | South West Hertfordshire |
| Turnout | 86.1% |
Results
| Candidate | Party | Votes |
| Longden, Gilbert James Morley | Conservative | 23,608 |
| Allaker, Lawrence | Labour | 14,913 |
| Middleton, George | Liberal | 4,114 |