1979 General Election - Croydon South
| Year | 1979 |
| General election | 1979 General Election |
| Constituency | Croydon South |
| Turnout | 76.7% |
Results
| Candidate | Party | Votes |
| Clark, William | Conservative | 30,874 |
| Billenness, P | Liberal | 10,006 |
| Bloom, JM | Labour | 6,249 |
| Dummer, R | National Front | 469 |