| Year: | 1964 |
|---|---|
| General election: | 1964 General Election |
| Constituency: | South West Hertfordshire |
| Turnout: | 83.0% |
Results
| Candidate | Party | Votes |
| Longden, Sir Gilbert James Morley | Conservative | 28308 |
| Bidwell, Sydney James | Labour | 22237 |
| Brown, R Douglas | Liberal | 11301 |