October 1974 General Election - Welwyn Hatfield
| Year | 1974 |
| General election | October 1974 General Election |
| Constituency | Welwyn Hatfield |
| Turnout | 81.3% |
Results
| Candidate | Party | Votes |
| Hayman, Helene | Labour | 23,339 |
| Balniel, Lord | Conservative | 22,819 |
| Robinson, PH | Liberal | 8,418 |