Results for the UK general election on 7 May 2015 South East, England - Elections won by Labour
Figures presented for Labour include those candidates certified by both the Labour and the Co-operative parties.
| Constituency | Candidate | Electorate | Turnout | Votes | Vote share | Vote change | Majority |
| Hove | KYLE, Peter | 73,505 | 71.0% | 22,082 | 42.3% | +9.3% | 1,236 |
| Oxford East | SMITH, Andrew | 78,978 | 64.2% | 25,356 | 50.0% | +7.5% | 15,280 |
| Slough | MACTAGGART, Fiona | 86,366 | 55.9% | 23,421 | 48.5% | +2.7% | 7,336 |
| Southampton, Test | WHITEHEAD, Alan | 70,270 | 62.1% | 18,017 | 41.3% | +2.8% | 3,810 |
Turnout as calculated by the House of Commons Library, is the total number of votes cast and not spoiled, divided by the size of the electorate.