1987 General Election - Upminster
| Year | 1987 |
| General election | 1987 General Election |
| Constituency | Upminster |
| Turnout | 75.2% |
Results
| Candidate | Party | Votes |
| Bonsor, Sir Nicholas | Conservative | 27,946 |
| Martin, J | Social Democratic | 11,089 |
| O'Flynn, DR | Labour | 11,069 |