1966 General Election - Harwich
| Year | 1966 |
| General election | 1966 General Election |
| Constituency | Harwich |
| Turnout | 74.4% |
Results
| Candidate | Party | Votes |
| Ridsdale, Julian | National Liberal | 24,975 |
| Hatch, Stephen | Labour | 18,335 |
| Dale, Thomas | Liberal | 9,219 |
| Year | 1966 |
| General election | 1966 General Election |
| Constituency | Harwich |
| Turnout | 74.4% |
| Candidate | Party | Votes |
| Ridsdale, Julian | National Liberal | 24,975 |
| Hatch, Stephen | Labour | 18,335 |
| Dale, Thomas | Liberal | 9,219 |