1970 General Election - Chislehurst
| Year | 1970 |
| General election | 1970 General Election |
| Constituency | Chislehurst |
| Turnout | 75.4% |
Results
| Candidate | Party | Votes |
| Hornsby-Smith, Patricia | Conservative | 24,650 |
| MacDonald, Alistair | Labour | 21,287 |
| Coverson, R | Liberal | 4,268 |