February 1974 General Election - Abertillery
| Year | 1974 |
| General election | February 1974 General Election |
| Constituency | Abertillery |
| Turnout | 78.7% |
Results
| Candidate | Party | Votes |
| Thomas, Jeffrey | Labour | 20,068 |
| Richards, William | Plaid Cymru | 3,119 |
| Hamilton, Mostyn | Conservative | 2,730 |
| Clark, Hugh | Liberal | 2,632 |