1979 General Election - Portsmouth North
| Year | 1979 |
| General election | 1979 General Election |
| Constituency | Portsmouth North |
| Turnout | 81.6% |
Results
| Candidate | Party | Votes |
| Griffiths, Peter | Conservative | 28,356 |
| Judd, Frank | Labour | 24,045 |
| Brewin, S | Liberal | 3,354 |
| Hadlow, R | National Front | 298 |
| White, T | Workers Revolutionary | 122 |