1945 General Election - Llandaff and Barry
| Year | 1945 |
| General election | 1945 General Election |
| Constituency | Llandaff and Barry |
| Turnout | 73.8% |
Results
| Candidate | Party | Votes |
| Ungoed-Thomas, Arwyn Lynn | Labour | 33,706 |
| Lakin, Cyril Harry Alfred | Conservative | 27,108 |
| Bransbury-Williams, Morgan Edward | Liberal | 10,132 |