Marginal constituencies in the 2010 United Kingdom general election

This is a list of marginal seats in the United Kingdom after the results in the 2010 General Election.[1]

Most marginal constituencies

Ten most marginal seats (by majority) from 2010 General Election.

Rank Constituency MP Elected First Place Party Second Place Party Majority %
1 Fermanagh and South Tyrone Michelle Gildernew Sinn Féin Independent 4 0.0%
2 Hampstead and Kilburn Glenda Jackson Labour Conservative 42 0.1%
3 North Warwickshire Dan Byles Conservative Labour 54 0.1%
4 Camborne and Redruth George Eustice Conservative Liberal Democrats 66 0.2%
5 Bolton West Julie Hilling Labour Conservative 92 0.2%
5 Thurrock Jackie Doyle-Price Conservative Labour 92 0.2%
7 Oldham East and Saddleworth* Phil Woolas Labour Liberal Democrats 103 0.2%
8 Hendon Matthew Offord Conservative Labour 106 0.2%
9 Sheffield Central Paul Blomfield Labour Liberal Democrats 165 0.4%
10 Solihull Lorely Burt Liberal Democrats Conservative 175 0.3%

Conservative marginals

Conservative - Labour marginals

Conservative Labour

Constituencies where the Conservative Party holds a marginal lead over the Labour Party:

Rank Constituency MP Elected Majority %
1 North Warwickshire Dan Byles 54 0.1%
2 Thurrock Jackie Doyle-Price 92 0.2%
3 Hendon Matthew Offord 106 0.2%
4 Cardiff North Jonathan Evans 194 0.4%
5 Sherwood Mark Spencer 214 0.4%
6 Stockton South James Wharton 332 0.7%
7 Lancaster and Fleetwood Eric Ollerenshaw 333 0.8%
8 Broxtowe Anna Soubry 389 0.7%
9 Amber Valley Nigel Mills 536 1.2%
10 Wolverhampton South West Paul Uppal 691 1.7%
11 Waveney Peter Aldous 769 1.5%
12 Carlisle John Stevenson 853 2.0%
13 Morecambe and Lunesdale David Morris 866 2.0%
14 Weaver Vale Graham Evans 991 2.3%
15 Lincoln Karl McCartney 1,058 2.3%
16 Plymouth Sutton and Devonport Oliver Colvile 1,149 2.6%
17 Stroud Neil Carmichael 1,299 2.2%
18 Brighton Kemptown Simon Kirby 1,328 3.1%
19 Bedford Richard Fuller 1,353 3.0%
20 Dewsbury Simon Reevell 1,526 2.8%
21 Keighley Kris Hopkins 2,940 6.2%
22 Worcester Robin Walker 2,982 6.1%
23 Cannock Chase Aidan Burley 3,195 7.0%
24 Aberconwy Guto Bebb 3,398 11.3%
25 Harrow East Bob Blackman 3,403 7.1%
26 Carmarthen West and South Pembrokeshire Simon Hart 3,423 8.5%
27 Warwick and Leamington Chris White 3,513 7.2%
28 South Swindon Robert Buckland 3,544 7.5%
29 Stevenage Stephen McPartland 3,578 8.0%
30 Pendle Andrew Stephenson 3,585 8.0%
31 Ealing Central and Acton Angie Bray 3,716 7.9%
32 Loughborough Nicky Morgan 3,744 7.1%
33 Dudley South Chris Kelly 3,856 10.1%
34 Norwich North Chloe Smith 3,901 9.2%
35 Dumfriesshire, Clydesdale and Tweeddale David Mundell 4,194 9.1%
36 Great Yarmouth Brandon Lewis 4,276 9.9%
37 Cleethorpes Martin Vickers 4,298 9.6%
38 Vale of Glamorgan Alun Cairns 4,307 8.8%
39 Rossendale and Darwen Jake Berry 4,493 9.5%
40 Elmet and Rothwell Alec Shelbrooke 4,521 8.1%
41 Preseli Pembrokeshire Stephen Crabb 4,605 11.6%
42 High Peak Andrew Bingham 4,677 9.3%
43 Peterborough Stewart Jackson 4,861 10.8%
44 North East Somerset Jacob Rees-Mogg 4,914 9.6%
45 Harlow Robert Halfon 4,925 11.2%

Conservative - Liberal Democrat marginals

Conservative Liberal Democrats

Constituencies where the Conservative Party holds a marginal lead over the Liberal Democrats:

Rank Constituency MP Elected Majority %
1 Camborne and Redruth George Eustice 66 0.2%
2 Oxford West and Abingdon Nicola Blackwood 176 0.3%
3 Truro and Falmouth Sarah Newton 435 0.9%
4 Newton Abbot Anne Marie Morris 523 1.1%
5 Harrogate and Knaresborough Andrew Jones 1,039 2.0%
6 Montgomeryshire Glyn Davies 1,184 3.5%
7 Watford Richard Harrington 1,425 2.6%
8 St Albans Anne Main 2,305 4.4%
9 Hereford and South Herefordshire Jesse Norman 2,481 5.1%
10 Weston-super-Mare John Penrose 2,691 5.1%
11 Torridge and West Devon Geoffrey Cox 2,957 5.4%
12 Winchester Steve Brine 3,048 5.4%
13 South East Cornwall Sheryll Murray 3,220 6.5%
14 Bristol North West Charlotte Leslie 3,274 6.5%
15 York Outer Julian Sturdy 3,688 6.9%
16 West Dorset Oliver Letwin 3,923 6.8%
17 Richmond Park Zac Goldsmith 4,091 6.9%
18 Romsey and Southampton North Caroline Nokes 4,156 8.5%
19 Colne Valley Jason McCartney 4,837 8.7%
20 Totnes Sarah Wollaston 4,927 10.3%

Other Conservative marginals

Constituencies where the Conservative Party holds a marginal lead over another party:

Constituency MP Elected First Party Second Party Majority %
Wyre Forest Mark Garnier Conservative Health Concern 2,643 5.2%

Liberal Democrat marginals

Source:[1]

Liberal Democrat - Conservative marginals

Liberal Democrats Conservative

Constituencies where the Liberal Democrats holds a marginal lead over the Conservative Party:

Rank Constituency MP Elected Majority %
1 Solihull Lorely Burt 175 0.3%
2 Mid Dorset and North Poole Annette Brooke 269 0.6%
3 Wells Tessa Munt 800 1.4%
4 St Austell and Newquay Stephen Gilbert 1,312 2.8%
5 Sutton and Cheam Paul Burstow 1,608 3.3%
6 St Ives Andrew George 1,719 3.7%
7 Somerton and Frome David Heath 1,817 3.0%
8 Chippenham Duncan Hames 2,470 4.7%
9 Berwick-upon-Tweed Alan Beith 2,690 7.0%
10 North Cornwall Dan Rogerson 2,981 6.4%
11 Cheadle Mark Hunter 3,272 6.2%
12 Argyll and Bute Alan Reid 3,431 7.6%
13 Eastbourne Stephen Lloyd 3,435 6.6%
14 West Aberdeenshire and Kincardine Robert Smith 3,684 8.2%
15 Brecon and Radnorshire Roger Williams 3,747 9.6%
16 Eastleigh Chris Huhne 3,864 7.2%
17 Taunton Deane Jeremy Browne 3,993 6.9%
18 Torbay Adrian Sanders 4,078 8.3%
19 Cheltenham Martin Horwood 4,920 9.3%

Liberal Democrat - Labour marginals

Liberal Democrats Labour

Constituencies where the Liberal Democrats holds a marginal lead over the Labour Party:

Rank Constituency MP Elected Majority %
1 Norwich South Simon Wright 310 0.7%
2 Bradford East David Ward 365 0.9%
3 Brent Central Sarah Teather 1,345 3.0%
4 Burnley Gordon Birtwistle 1,818 4.3%
5 Manchester Withington John Leech 1,894 4.2%
6 East Dunbartonshire Jo Swinson 2,184 4.6%
7 Birmingham Yardley John Hemming 3,002 7.3%
8 Edinburgh West Mike Crockart 3,803 8.2%
9 Cardiff Central Jenny Willott 4,576 12.7%
10 Caithness, Sutherland and Easter Ross John Thurso 4,826 16.8%

Labour marginals

Labour - Conservative marginals

Source:[1]

Labour Conservative

Constituencies where the Labour Party holds a marginal lead over the Conservative Party:

Rank Constituency MP Elected Majority %
1 Hampstead and Kilburn Glenda Jackson 42 0.1%
2 Bolton West Julie Hilling 92 0.2%
3 Southampton Itchen John Denham 192 0.4%
4 Wirral South Alison McGovern 531 1.3%
5 Derby North Chris Williamson 613 1.4%
6 Dudley North Ian Austin 649 1.7%
7 Great Grimsby Austin Mitchell 714 2.2%
8 Telford David Wright 978 2.4%
9 Walsall North David Winnick 990 2.7%
10 Morley and Outwood Ed Balls 1,101 2.3%
11 Birmingham Edgbaston Gisela Stuart 1,274 3.1%
12 Halifax Linda Riordan 1,472 3.4%
13 Newcastle-under-Lyme Paul Farrelly 1,552 3.6%
14 Plymouth Moor View Alison Seabeck 1,588 3.8%
15 Wakefield Mary Creagh 1,613 3.6%
16 Eltham Clive Efford 1,663 4.0%
17 Middlesbrough South and East Cleveland Tom Blenkinsop 1,677 3.6%
18 Walsall South Valerie Vaz 1,755 4.3%
19 Nottingham South Lilian Greenwood 1,772 4.3%
20 Blackpool South Gordon Marsden 1,852 5.3%
21 Gedling Vernon Coaker 1,859 3.9%
22 Westminster North Karen Buck 2,126 5.4%
23 Bridgend Madeleine Moon 2,263 5.9%
24 Delyn David Hanson 2,272 6.1%
25 Luton South Gavin Shuker 2,329 5.5%
26 Southampton Test Alan Whitehead 2,413 5.5%
27 North East Derbyshire Natascha Engel 2,445 5.2%
28 Wolverhampton North East Emma Reynolds 2,484 7.1%
29 Vale of Clwyd Chris Ruane 2,509 7.1%
30 Tooting Sadiq Khan 2,524 5.0%
31 Scunthorpe Nic Dakin 2,549 6.9%
32 Chorley Lindsay Hoyle 2,593 5.2%
33 Dagenham and Rainham Jon Cruddas 2,630 5.9%
34 Gower Martin Caton 2,683 6.4%
35 Exeter Ben Bradshaw 2,721 5.2%
36 Stalybridge and Hyde Jonathan Reynolds 2,744 6.7%
37 Birmingham Northfield Richard Burden 2,782 6.7%
38 Clwyd South Susan Elan Jones 2,834 8.2%
39 Alyn and Deeside Mark Tami 2,919 7.3%
40 Penistone and Stocksbridge Angela Smith 3,049 6.6%
41 Hyndburn Graham Jones 3,090 7.2%
42 Harrow West Gareth Thomas 3,143 6.8%
43 Birmingham Erdington Jack Dromey 3,277 9.2%
44 Bury South Ivan Lewis 3,292 6.8%
45 Darlington Jenny Chapman 3,388 7.9%
46 Birmingham Selly Oak Steve McCabe 3,482 7.5%
47 Newport West Paul Flynn 3,544 8.9%
48 Hammersmith Andy Slaughter 3,549 7.5%
49 Don Valley Caroline Flint 3,595 8.3%
50 Bristol East Kerry McCarthy 3,722 8.3%
51 Copeland Jamie Reed 3,833 9.0%
52 Coventry South Jim Cunningham 3,845 8.4%
53 Sefton Central Bill Esterson 3,862 8.0%
54 Leicester West Liz Kendall 4,017 11.2%
55 Bolton North East David Crausby 4,084 9.4%
56 Stoke-on-Trent South Rob Flello 4,130 10.4%
57 Ellesmere Port and Neston Andrew Miller 4,331 9.8%
58 Worsley and Eccles South Barbara Keeley 4,337 10.4%
59 West Lancashire Rosie Cooper 4,343 9.0%
60 Batley and Spen Mike Wood 4,406 8.6%
61 Huddersfield Barry Sheerman 4,472 11.0%
62 Leeds North East Fabian Hamilton 4,545 9.6%
63 Workington Tony Cunningham 4,575 11.7%
64 Bradford South Gerry Sutcliffe 4,622 12.2%
65 Feltham and Heston* Alan Keen 4,658 9.6%
66 Cardiff South and Penarth* Alun Michael 4,709 10.6%
67 Cardiff West Kevin Brennan 4,751 11.6%

Labour - Liberal Democrat marginals

Source:[1]

Labour Liberal Democrats

Constituencies where the Labour Party holds a marginal lead over the Liberal Democrats:

Rank Constituency MP Elected Majority %
1 Oldham East and Saddleworth* Phil Woolas 103 0.2%
2 Sheffield Central Paul Blomfield 165 0.4%
3 Ashfield Gloria De Piero 192 0.4%
4 Edinburgh South Ian Murray 316 0.7%
5 Swansea West Geraint Davies 504 1.4%
6 Chesterfield Toby Perkins 549 1.2%
7 Kingston upon Hull North Diana Johnson 641 1.9%
8 Rochdale Simon Danczuk 889 1.9%
9 Newport East Jessica Morden 1,650 4.8%
10 Edinburgh North and Leith Mark Lazarowicz 1,724 3.6%
11 Pontypridd Owen Smith 2,785 7.6%
12 City of Durham Roberta Blackman-Woods 3,067 6.6%
13 Streatham Chuka Umunna 3,259 7.0%
14 Newcastle upon Tyne NortH Catherine McKinnell 3,414 7.8%
15 Aberdeen South Anne Begg 3,506 8.1%
16 Islington South and Finsbury Emily Thornberry 3,569 8.2%
17 Wrexham Ian Lucas 3,658 11.1%
18 Glasgow North Ann McKechin 3,898 13.2%
19 Merthyr Tydfil and Rhymney Dai Havard 4,056 12.6%
20 Newcastle upon Tyne East Nick Brown 4,453 11.8%
21 Oxford East Andrew Smith 4,581 8.9%
22 Bristol South Dawn Primarolo 4,734 9.8%

Other Labour marginals

Constituencies where the Labour Party holds a marginal lead over another party:

Rank Constituency MP Elected First Party Second Party Majority %
1 Ynys Môn Albert Owen Labour Plaid Cymru 2,461 7.1%
2 Birmingham Hall Green Roger Godsiff Labour Respect 3,799 7.8%
3 Llanelli Nia Griffith Labour Plaid Cymru 4,701 12.5%

Other Parties

Other Parties marginal seats by majority:

Alliance Party

Constituency MP Elected First Party Second Party Majority %
Belfast East Naomi Long Alliance DUP 1,533 4.4%

Democratic Unionist Party

Constituency MP Elected First Party Second Party Majority %
South Antrim William McCrea DUP UCU 1,183 3.5%
Belfast North Nigel Dodds DUP Sinn Féin 2,224 6.0%
Upper Bann David Simpson DUP UCU 3,361 8.1%

Green Party

Constituency MP Elected First Party Second Party Majority %
Brighton Pavilion Caroline Lucas Green Labour 1,252 2.4%

Plaid Cymru

Constituency MP Elected First Party Second Party Majority %
Arfon Hywel Williams Plaid Cymru Labour 1,455 5.6%
Carmarthen East and Dinefwr Jonathan Edwards Plaid Cymru Labour 3,481 9.2%

Social Democratic Labour Party

Constituency MP Elected First Party Second Party Majority %
Foyle Mark Durkan SDLP Sinn Féin 4,824 12.7%

Sinn Fein

Constituency MP Elected First Party Second Party Majority %
Fermanagh and South Tyrone Michelle Gildernew Sinn Féin Independent 4 0.0%

Scottish National Party

Rank Constituency MP Elected First Party Second Party Majority %
1 Dundee East Stewart Hosie SNP Labour 1,821 4.5%
2 Na h-Eileanan an Iar Angus MacNeil SNP Labour 1,885 12.8%
3 Angus Mike Weir SNP Conservative 3,282 8.6%
4 Banff and Buchan Eilidh Whiteford SNP Conservative 4,027 10.5%
5 Perth and North Perthshire Pete Wishart SNP Conservative 4,379 9.1%

See also

References

  1. ^ a b c d Hough, David (8 February 2013). "Marginal Seats" (PDF). The house of Commons Library. Retrieved 26 January 2026.
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