# Marginal constituencies in the 2005 United Kingdom general election

This is a list of marginal seats[citation needed] in the United Kingdom after the results in the 2005 General Election. At the 2010 General Election, boundary changes under the Fifth Periodic Review of Westminster constituencies applied affecting some of these seats.

## Conservative – Liberal Democrat marginals

Constituencies where the Conservative Party held a marginal lead over the Liberal Democrats:
| Constituency | Majority | % |
| Romsey | 125 | 0.3% |
| Guildford | 347 | 0.7% |
| Taunton Deane | 573 | 1.0% |
| Eastbourne | 1,124 | 2.4% |
| Totnes | 1,947 | 3.8% |
| North Dorset | 2,244 | 4.2% |
| Weston-Super-Mare | 2,079 | 4.2% |
| Ludlow | 2,027 | 4.4% |
| West Dorset | 2,461 | 4.6% |
| West Worcestershire | 2,475 | 5.2% |
| Torridge and West Devon | 3,236 | 5.5% |
| Wells | 3,040 | 5.8% |
| Newbury | 3,460 | 6.4% |
| Harborough | 3,892 | 8.2% |
| Orpington | 4,947 | 9.0% |
| North Wiltshire | 5,303 | 9.5% |
| Westbury | 5,346 | 9.6% |
| East Hampshire | 5,509 | 10.4% |
| Haltemprice and Howden | 5,116 | 10.7% |
| South West Surrey | 5,711 | 10.9% |
| Aldershot | 5,334 | 11.0% |
| Woodspring | 6,016 | 11.6% |
| Mid Sussex | 5,890 | 11.9% |
| Bournemouth West | 4,031 | 11.8% |
| Maidenhead | 6,231 | 13.5% |
| South Suffolk | 6,606 | 13.6% |
| Bournemouth East | 5,244 | 13.9% |
| Woking | 6,612 | 14.4% |
| New Forest East | 6,551 | 14.5% |
| Poole | 5,988 | 14.8% |

## Labour – Liberal Democrat marginals

Constituencies where the Labour Party held a marginal lead over the Liberal Democrats:
| Constituency | Majority | % |
| Edinburgh South | 405 | 0.9% |
| Islington South and Finsbury | 484 | 1.6% |
| Oxford East | 963 | 2.3% |
| Watford | 1,148 | 2.3% |
| Aberdeen South | 1,348 | 3.2% |
| Edinburgh North and Leith | 2,153 | 5.0% |
| City of Durham | 3,274 | 7.4% |
| Oldham East and Saddleworth | 3,590 | 8.3% |
| Norwich South | 3,653 | 8.7% |
| Leicester South | 3,717 | 8.8% |
| Bradford North | 3,511 | 10.2% |
| Newcastle upon Tyne Central | 3,982 | 11.1% |
| Swansea West | 4,269 | 12.9% |

## Labour – Conservative marginals

Constituencies where the Labour Party held a marginal lead over the Conservative Party:
| Constituency | Majority | % |
| Crawley | 37 | 0.1% |
| Sittingbourne and Sheppey | 79 | 0.2% |
| Harlow | 97 | 0.2% |
| Battersea | 163 | 0.4% |
| Medway | 213 | 0.5% |
| Warwick and Leamington | 266 | 0.5% |
| Gillingham | 254 | 0.6% |
| Stroud | 350 | 0.6% |
| Hove | 420 | 0.9% |
| Selby | 467 | 0.9% |
| Stourbridge | 407 | 1.0% |
| Dartford | 706 | 1.5% |
| High Peak | 735 | 1.5% |
| South Thanet | 664 | 1.6% |
| Finchley and Golders Green | 741 | 1.7% |
| City of Chester | 917 | 2.0% |
| Cardiff North | 1,146 | 2.5% |
| Wirral West | 1,097 | 2.7% |
| Calder Valley | 1,367 | 2.9% |
| Portsmouth North | 1,139 | 3.0% |
| Burton | 1,421 | 3.0% |
| South Swindon | 1,353 | 3.1% |
| Colne Valley | 1,501 | 3.1% |
| Corby | 1,517 | 3.1% |
| Wansdyke | 1,839 | 3.6% |
| South Dorset | 1,812 | 3.7% |
| Vale of Glamorgan | 1,808 | 3.8% |
| Harrow West | 2,028 | 4.2% |
| Loughborough | 1,996 | 4.3% |
| South Ribble | 2,184 | 4.6% |
| Enfield North | 1,920 | 4.7% |
| Hastings and Rye | 2,026 | 4.7% |
| Stafford | 2,121 | 4.7% |
| Broxtowe | 2,296 | 4.7% |
| Carmarthen West and South Pembrokeshire | 1,910 | 5.0% |
| Nuneaton | 2,280 | 5.0% |
| Bolton West | 2,064 | 5.1% |
| Pendle | 2,180 | 5.3% |
| Chatham and Aylesford | 2,332 | 5.5% |
| Staffordshire Moorlands | 2,438 | 5.5% |
| North Swindon | 2,571 | 5.7% |
| Dumfries and Galloway | 2,922 | 5.7% |
| Tamworth | 2,569 | 5.9% |
| Cleethorpes | 2,642 | 6.1% |
| Birmingham Edgbaston | 2,349 | 6.2% |
| Hendon | 2,699 | 6.5% |
| Bury North | 2,926 | 6.6% |
| Redditch | 2,716 | 6.7% |
| Brigg and Goole | 2,894 | 6.8% |
| Worcester | 3,144 | 6.8% |
| Brighton Kemptown | 2,737 | 6.9% |
| Wolverhampton South West | 3,144 | 6.9% |
| Basildon | 3,142 | 7.3% |
| Great Yarmouth | 3,055 | 7.4% |
| Stevenage | 3,139 | 7.5% |
| Warrington South | 3,515 | 7.5% |
| Bedford | 3,383 | 8.0% |
| Milton Keynes South West | 4,010 | 8.1% |
| South Derbyshire | 4,495 | 8.1% |
| Gloucester | 4,271 | 8.2% |
| Bradford West | 3,026 | 8.3% |
| Rossendale and Darwen | 3,676 | 8.3% |
| Halifax | 3,417 | 8.6% |
| Derby North | 3,757 | 8.6% |
| Gedling | 3,811 | 8.6% |
| Conwy | 3,081 | 9.2% |
| Eltham | 3,276 | 9.3% |
| Harrow East | 4,730 | 9.3% |
| Wirral South | 3,724 | 9.4% |
| Northampton North | 3,960 | 9.4% |
| North West Leicestershire | 4,477 | 9.5% |
| Brentford and Isleworth | 4,411 | 9.6% |
| Elmet | 4,528 | 9.6% |
| Tynemouth | 4,143 | 9.7% |
| Hampstead and Highgate | 3,729 | 9.8% |
| Dover | 4,941 | 10.3% |
| Halesowen and Rowley Regis | 4,337 | 10.5% |
| Keighley | 4,852 | 10.5% |
| Plymouth Sutton | 4,109 | 10.8% |
| Dudley South | 4,244 | 10.8% |
| Stirling | 4,767 | 10.9% |
| Bolton North East | 4,103 | 11.1% |
| Reading West | 4,672 | 11.1% |
| Amber Valley | 5,275 | 11.1% |
| Morecambe and Lunesdale | 4,768 | 11.5% |
| Brighton Pavilion | 5,030 | 11.5% |
| Norwich North | 5,459 | 11.6% |
| Blackpool North and Fleetwood | 5,062 | 11.7% |
| Wakefield | 5,154 | 11.9% |
| Waveney | 5,915 | 11.9% |
| Dewsbury | 4,615 | 12.0% |
| Lincoln | 4,613 | 12.5% |
| Pudsey | 5,870 | 12.6% |
| Leeds North East | 5,262 | 12.7% |
| Ipswich | 5,332 | 12.7% |
| Stockton South | 6,139 | 12.7% |
| Tooting | 5,381 | 12.9% |
| Dudley North | 5,432 | 13.1% |
| Ealing North | 6,159 | 13.5% |
| Ealing Acton and Shepherd's Bush | 5,520 | 13.9% |
| Exeter | 7,665 | 13.9% |
| East Renfrewshire | 6,657 | 14.0% |
| Erewash | 7,084 | 14.0% |
| West Lancashire | 6,084 | 14.1% |
| Sherwood | 6,652 | 14.1% |
| Hyndburn | 5,587 | 14.2% |
| Vale of Clwyd | 4,669 | 14.4% |
| Luton South | 5,650 | 14.5% |
| Thurrock | 6,375 | 14.6% |
| Batley and Spen | 5,788 | 14.8% |
| Regent's Park and Kensington North | 6,131 | 15.1% |
| Newport West | 5,458 | 15.3% |
| Coventry South | 6,255 | 15.4% |
| Ellesmere Port and Neston | 6,486 | 15.4% |
| Chorley | 7,625 | 15.4% |
| Telford | 5,406 | 15.8% |
| Brent North | 5,641 | 15.8% |
| Kingswood | 7,873 | 15.9% |
| Carlisle | 5,695 | 16.1% |
| Crosby | 5,840 | 16.1% |
| Birmingham Hall Green | 5,714 | 16.5% |
| Barrow and Furness | 6,037 | 16.5% |
| Edinburgh South West | 7,242 | 16.5% |
| Luton North | 6,487 | 16.6% |
| Southampton Test | 7,018 | 16.8% |
| Gower | 6,703 | 17.0% |
| Bridgend | 6,523 | 17.2% |
| Weaver Vale | 6,855 | 17.4% |
| Workington | 6,895 | 17.4% |
| Feltham and Heston | 6,820 | 18.3% |
| Middlesbrough South and East Cleveland | 8,000 | 18.3% |