1987 General Election - Peterborough
| Year | 1987 |
| General election | 1987 General Election |
| Constituency | Peterborough |
| Turnout | 73.5% |
Results
| Candidate | Party | Votes |
| Mawhinney, Brian | Conservative | 30,624 |
| MacKinlay, Andrew | Labour | 20,840 |
| Green, DW | Liberal | 9,984 |
| Callaghan, NA | Greens | 506 |