1951 General Election - South West Hertfordshire
| Year | 1951 |
| General election | 1951 General Election |
| Constituency | South West Hertfordshire |
| Turnout | 85.0% |
Results
| Candidate | Party | Votes |
| Longden, Gilbert James Morley | Conservative | 27,049 |
| Allaker, Lawrence | Labour | 18,991 |