1964
| Hayman | Labour | 18,847 | 44.5% |
| Boscawen | Conservative | 15,921 | 37.6% |
| Hambly | Liberal | 7,559 | 17.9% |
| turnout | 77.6% |
1966
| Dunwoody | Labour | 21,394 | 46.9% |
| Boscawen | Conservative | 18,131 | 39.7% |
| Sykes | Liberal | 6,144 | 13.5% |
| turnout | 82.6% |
1970
| Mudd | Conservative | 21,477 | 44.5% |
| Dunwoody | Labour | 19,954 | 41.4% |
| Davey | Liberal | 5,843 | 12.1% |
| Jenkin | Mebyon Kernow | 960 | 2.0% |
| turnout | 77.7% |
1974 (Feb)
| Mudd | Conservative | 22,500 | 41.9% |
| Dalling | Labour | 18,236 | 33.9% |
| Davey | Liberal | 13,000 | 24.2% |
| turnout | 80.9% |
1974 (Oct)
| Mudd | Conservative | 23,950 | 47.2% |
| Dalling | Labour | 18,094 | 35.7% |
| Sara | Liberal | 6,428 | 12.7% |
| Davey | Independent Liberal | 2,246 | 4.4% |
| turnout | 75.8% |
Cornish studies resources 