Marginal constituencies in the 2005 United Kingdom general election
 | It has been suggested that this article be merged with United Kingdom general election, 2005. (Discuss) Proposed since January 2007. |
This is a list of marginal seats in the United Kingdom after the results in the 2005 General Election.
Labour - Liberal Democrat marginals
Constituencies where the Labour Party holds a marginal lead over the Liberal Democrats:
| Constituency | Majority | % |
|---|---|---|
| Edinburgh South | 400 | 0.9% |
| Islington South and Finsbury | 484 | 1.6% |
| Oxford East | 963 | 2.3% |
| Watford | 1148 | 2.3% |
| Aberdeen South | 1348 | 3.2% |
| Edinburgh North and Leith | 2153 | 5.0% |
| City of Durham | 3274 | 7.4% |
| Oldham East and Saddleworth | 3590 | 8.3% |
| Norwich South | 3653 | 8.7% |
| Leicester South | 3717 | 8.8% |
| Bradford North | 3511 | 10.2% |
| Newcastle upon Tyne Central | 3982 | 11.1% |
| Swansea West | 4269 | 12.9% |
Labour - Conservative marginals
Constituencies where the Labour holds a marginal lead over the Conservative Party:
| Constituency | Majority | % |
|---|---|---|
| Crawley|37|0.1% | ||
| High Peak | 735 | 1.5% |
| Corby | 1517 | 3.1% |
| Loughborough | 1996 | 4.3% |
| Broxtowe | 2296 | 4.7% |
| South Derbyshire | 4495 | 8.1% |
| Derby North | 3757 | 8.6% |
| Gedling | 3811 | 8.6% |
| Northampton North | 3960 | 9.4% |
| North West Leicestershire | 4477 | 9.5% |
| Amber Valley | 5275 | 11.1% |
| Lincoln | 4613 | 12.5% |
| Erewash | 7084 | 14.0% |
| Sherwood | 6652 | 14.1% |