1945 General Election - South Norfolk
| Year | 1945 |
| General election | 1945 General Election |
| Constituency | South Norfolk |
| Turnout | 69.0% |
Results
| Candidate | Party | Votes |
| Mayhew, Christopher Paget | Labour | 16,825 |
| Allen, John Sandeman | Conservative | 10,862 |
| Wilson, Holt | Independent Conservative | 5,761 |