| Year: | 1945 |
|---|---|
| General election: | 1945 General Election |
| Constituency: | Llandaff and Barry |
| Turnout: | 73.8% |
Results
| Candidate | Party | Votes |
| Ungoed-Thomas, Arwyn Lynn | Labour | 33706 |
| Lakin, Cyril Harry Alfred | Conservative | 27108 |
| Bransbury-Williams, Morgan Edward | Liberal | 10132 |