|
|
| Constituency | Elected MP | Elected Party | Previous MP | Previous Party |
| Aberavon | Hywel Francis | Labour | Hywel Francis | Labour |
| Aberdeen North | Frank Doran | Labour | (boundary changes) | Labour |
| Aberdeen South | Anne Begg | Labour | (boundary changes) | Labour |
| Airdrie and Shotts | John Reid | Labour | (boundary changes) | Labour |
| Aldershot | Gerald Howarth | Conservative | Gerald Howarth | Conservative |
| Aldridge-Brownhills | Richard Shepherd | Conservative | Richard Shepherd | Conservative |
| Altrincham and Sale West | Graham Brady | Conservative | Graham Brady | Conservative |
| Alyn and Deeside | Mark Tami | Labour | Mark Tami | Labour |
| Amber Valley | Judy Mallaber | Labour | Judy Mallaber | Labour |
| Angus | Michael Weir | Scottish National Party | (boundary changes) | Scottish National Party |
| Argyll and Bute | Alan Reid | Liberal Democrat | (boundary changes) | Liberal Democrat |
| Arundel and South Downs | Nick Herbert | Conservative | Howard Flight | Conservative |
| Ashfield | Geoff Hoon | Labour | Geoff Hoon | Labour |
| Ashford | Damian Green | Conservative | Damian Green | Conservative |
| Ashton-under-Lyne | David Heyes | Labour | David Heyes | Labour |
| Aylesbury | David Lidington | Conservative | David Lidington | Conservative |
| Ayr, Carrick and Cumnock | Sandra Osborne | Labour | (boundary changes) | Labour |
|
|
| Constituency | Elected MP | Elected Party | Previous MP | Previous Party |
| Banbury | Tony Baldry | Conservative | Tony Baldry | Conservative |
| Banff and Buchan | Alex Salmond | Scottish National Party | (boundary changes) | Scottish National Party |
| Barking | Margaret Hodge | Labour | Margaret Hodge | Labour |
| Barnsley Central | Eric Illsley | Labour | Eric Illsley | Labour |
| Barnsley East and Mexborough | Jeff Ennis | Labour | Jeff Ennis | Labour |
| Barnsley West and Penistone | Michael Clapham | Labour | Michael Clapham | Labour |
| Barrow and Furness | John Hutton | Labour | John Hutton | Labour |
| Basildon | Angela Smith | Labour | Angela Smith | Labour/Co-operative |
| Basingstoke | Maria Miller | Conservative | Andrew Hunter | Democratic Unionist (Elected as Conservative) |
| Bassetlaw | John Mann | Labour | John Mann | Labour |
| Bath | Don Foster | Liberal Democrat | Don Foster | Liberal Democrat |
| Batley and Spen | Mike Wood | Labour | Mike Wood | Labour |
| Battersea | Martin Linton | Labour | Martin Linton | Labour |
| Beaconsfield | Dominic Grieve | Conservative | Dominic Grieve | Conservative |
| Beckenham | Jacqui Lait | Conservative | Jacqui Lait | Conservative |
| Bedford | Patrick Hall | Labour | Patrick Hall | Labour |
| Belfast East | Peter Robinson | Democratic Unionist | Peter Robinson | Democratic Unionist |
| Belfast North | Nigel Dodds | Democratic Unionist | Nigel Dodds | Democratic Unionist |
| Belfast South | Alasdair McDonnell | Social Democratic and Labour | The Rev. Martin Smyth | Ulster Unionist |
| Belfast West | Gerry Adams | Sinn Féin | Gerry Adams | Sinn Féin |
| Berwick-upon-Tweed | Alan James Beith | Liberal Democrat | Alan James Beith | Liberal Democrat |
| Berwickshire, Roxburgh and Selkirk | Michael Moore | Liberal Democrat | (boundary changes) | Liberal Democrat |
| Bethnal Green and Bow | George Galloway | RESPECT | Oona King | Labour |
| Beverley and Holderness | Graham Stuart | Conservative | James Cran | Conservative |
| Bexhill and Battle | Gregory Barker | Conservative | Gregory Barker | Conservative |
| Bexleyheath and Crayford | David Evennett | Conservative | Nigel Beard | Labour |
| Billericay | John Baron | Conservative | John Baron | Conservative |
| Birkenhead | Frank Field | Labour | Frank Field | Labour |
| Birmingham, Edgbaston | Gisela Stuart | Labour | Gisela Stuart | Labour |
| Birmingham, Erdington | Siôn Simon | Labour | Siôn Simon | Labour |
| Birmingham, Hall Green | Stephen McCabe | Labour | Stephen McCabe | Labour |
| Birmingham, Hodge Hill | Liam Byrne | Labour | Liam Byrne | Labour |
| Birmingham, Ladywood | Clare Short | Labour, Independent Labour as of October 20, 2006 | Clare Short | Labour |
| Birmingham, Northfield | Richard Burden | Labour | Richard Burden | Labour |
| Birmingham, Perry Barr | Khalid Mahmood | Labour | Khalid Mahmood | Labour |
| Birmingham, Selly Oak | Dr Lynne Jones | Labour | Dr Lynne Jones | Labour |
| Birmingham, Sparkbrook and Small Heath | Roger Godsiff | Labour | Roger Godsiff | Labour |
| Birmingham, Yardley | John Hemming | Liberal Democrat | Estelle Morris | Labour |
| Bishop Auckland | Helen Goodman | Labour | Derek Foster | Labour |
| Blaby | Andrew Robathan | Conservative | Andrew Robathan | Conservative |
| Blackburn | Jack Straw | Labour | Jack Straw | Labour |
| Blackpool North and Fleetwood | Joan Humble | Labour | Joan Humble | Labour |
| Blackpool South | Gordon Marsden | Labour | Gordon Marsden | Labour |
| Blaenau Gwent | Peter Law | Independent | Llew Smith | Labour |
| Blaydon | David Anderson | Labour | John David McWilliam | Labour |
| Blyth Valley | Ronnie Campbell | Labour | Ronnie Campbell | Labour |
| Bognor Regis and Littlehampton | Nick Gibb | Conservative | Nick Gibb | Conservative |
| Bolsover | Dennis Skinner | Labour | Dennis Skinner | Labour |
| Bolton North East | David Crausby | Labour | David Crausby | Labour |
| Bolton South East | Dr Brian Iddon | Labour | Dr Brian Iddon | Labour |
| Bolton West | Ruth Kelly | Labour | Ruth Kelly | Labour |
| Bootle | Joe Benton | Labour | Joe Benton | Labour |
| Boston and Skegness | Mark Simmonds | Conservative | Mark Simmonds | Conservative |
| Bosworth | David Tredinnick | Conservative | David Tredinnick | Conservative |
| Bournemouth East | Tobias Ellwood | Conservative | David Atkinson | Conservative |
| Bournemouth West | John Butterfill | Conservative | John Butterfill | Conservative |
| Bracknell | Andrew MacKay | Conservative | Andrew MacKay | Conservative |
| Bradford North | Terry Rooney | Labour | Terry Rooney | Labour |
| Bradford South | Gerry Sutcliffe | Labour | Gerry Sutcliffe | Labour |
| Bradford West | Marsha Singh | Labour | Marsha Singh | Labour |
| Braintree | Brooks Newmark | Conservative | Alan Hurst | Labour |
| Brecon and Radnorshire | Roger Williams | Liberal Democrat | Roger Williams | Liberal Democrat |
| Brent East | Sarah Teather | Liberal Democrat | Sarah Teather | Liberal Democrat |
| Brent North | Barry Gardiner | Labour | Barry Gardiner | Labour |
| Brent South | Dawn Butler | Labour | Paul Boateng | Labour |
| Brentford and Isleworth | Ann Keen | Labour | Ann Keen | Labour |
| Brentwood and Ongar | Eric Pickles | Conservative | Eric Pickles | Conservative |
| Bridgend | Madeleine Moon | Labour | Win Griffiths | Labour |
| Bridgwater | Ian Liddell-Grainger | Conservative | Ian Liddell-Grainger | Conservative |
| Brigg and Goole | Ian Cawsey | Labour | Ian Cawsey | Labour |
| Brighton Kemptown | Desmond Stanley Turner | Labour | Desmond Stanley Turner | Labour |
| Brighton Pavilion | David Lepper | Labour | David Lepper | Labour |
| Bristol East | Kerry McCarthy | Labour | Jean Corston | Labour |
| Bristol North West | Douglas Naysmith | Labour | Douglas Naysmith | Labour |
| Bristol South | Dawn Primarolo | Labour | Dawn Primarolo | Labour |
| Bristol West | Stephen Williams | Liberal Democrat | Valerie Davey | Labour |
| Bromley and Chislehurst | Eric Forth | Conservative | Eric Forth | Conservative |
| Bromsgrove | Julie Kirkbride | Conservative | Julie Kirkbride | Conservative |
| Broxbourne | Charles Walker | Conservative | Marion Roe | Conservative |
| Broxtowe | Nick Palmer | Labour | Nick Palmer | Labour |
| Buckingham | John Bercow | Conservative | John Bercow | Conservative |
| Burnley | Kitty Ussher | Labour | Peter Pike | Labour |
| Burton | Janet Dean | Labour | Janet Dean | Labour |
| Bury North | David Chaytor | Labour | David Chaytor | Labour |
| Bury South | Ivan Lewis | Labour | Ivan Lewis | Labour |
| Bury St Edmunds | David Ruffley | Conservative | David Ruffley | Conservative |
|
|
| Constituency | Elected MP | Elected Party | Previous MP | Previous Party |
| Caernarfon | Hywel Williams | Plaid Cymru | Hywel Williams | Plaid Cymru |
| Caerphilly | Wayne David | Labour | Wayne David | Labour |
| Caithness, Sutherland and Easter Ross | John Thurso | Liberal Democrat | (boundary changes) | Liberal Democrat |
| Calder Valley | Christine McCafferty | Labour | Christine McCafferty | Labour |
| Camberwell and Peckham | Harriet Harman | Labour | Harriet Harman | Labour |
| Cambridge | David Howarth | Liberal Democrat | Anne Campbell | Labour |
| Cannock Chase | Tony Wright | Labour | Tony Wright | Labour |
| Canterbury | Julian Brazier | Conservative | Julian Brazier | Conservative |
| Cardiff Central | Jenny Willott | Liberal Democrat | Jon Owen Jones | Labour/Co-operative |
| Cardiff North | Julie Morgan | Labour | Julie Morgan | Labour |
| Cardiff South and Penarth | Alun Michael | Labour/Co-operative | Alun Michael | Labour/Co-operative |
| Cardiff West | Kevin Brennan | Labour | Kevin Brennan | Labour |
| Carlisle | Eric Martlew | Labour | Eric Martlew | Labour |
| Carmarthen East and Dinefwr | Adam Price | Plaid Cymru | Adam Price | Plaid Cymru |
| Carmarthen West and South Pembrokeshire | Nick Ainger | Labour | Nick Ainger | Labour |
| Carshalton and Wallington | Tom Brake | Liberal Democrat | Tom Brake | Liberal Democrat |
| Castle Point | Bob Spink | Conservative | Bob Spink | Conservative |
| Central Ayrshire | Brian Donohoe | Labour | (boundary changes) | Labour |
| Central Suffolk and North Ipswich | Sir Michael Lord | Conservative | Sir Michael Lord | Deputy Speaker (Elected as Conservative) |
| Ceredigion | Mark Williams | Liberal Democrat | Simon Thomas | Plaid Cymru |
| Charnwood | Stephen Dorrell | Conservative | Stephen Dorrell | Conservative |
| Chatham and Aylesford | Jonathan Shaw | Labour | Jonathan Shaw | Labour |
| Cheadle | Patsy Calton | Liberal Democrat | Patsy Calton | Liberal Democrat |
| Chelmsford West | Simon Burns | Conservative | Simon Burns | Conservative |
| Cheltenham | Martin Horwood | Liberal Democrat | Nigel Jones | Liberal Democrat |
| Chesham and Amersham | Cheryl Gillan | Conservative | Cheryl Gillan | Conservative |
| Chester, City of | Christine Russell | Labour | Christine Russell | Labour |
| Chesterfield | Paul Holmes | Liberal Democrat | Paul Holmes | Liberal Democrat |
| Chichester | Andrew Tyrie | Conservative | Andrew Tyrie | Conservative |
| Chingford and Woodford Green | Iain Duncan Smith | Conservative | Iain Duncan Smith | Conservative |
| Chipping Barnet | Theresa Villiers | Conservative | Sir Sydney Chapman | Conservative |
| Chorley | Lindsay Hoyle | Labour | Lindsay Hoyle | Labour |
| Christchurch | Christopher Chope | Conservative | Christopher Chope | Conservative |
| Cleethorpes | Shona McIsaac | Labour | Shona McIsaac | Labour |
| Clwyd South | Martyn Jones | Labour | Martyn Jones | Labour |
| Clwyd West | David Jones | Conservative | Gareth Thomas | Labour |
| Coatbridge, Chryston and Bellshill | Tom Clarke | Labour | (boundary changes) | Labour |
| Colchester | Bob Russell | Liberal Democrat | Bob Russell | Liberal Democrat |
| Colne Valley | Kali Mountford | Labour | Kali Mountford | Labour |
| Congleton | Ann Winterton | Conservative | Ann Winterton | Conservative |
| Conwy | Betty Williams | Labour | Betty Williams | Labour |
| Copeland | Jamie Reed | Labour | Jack Cunningham | Labour |
| Corby | Phil Hope | Labour/Co-operative | Phil Hope | Labour/Co-operative |
| Cotswold | Geoffrey Clifton-Brown | Conservative | Geoffrey Clifton-Brown | Conservative |
| Coventry North East | Bob Ainsworth | Labour | Bob Ainsworth | Labour |
| Coventry North West | Geoffrey Robinson | Labour | Geoffrey Robinson | Labour |
| Coventry South | Jim Cunningham | Labour | Jim Cunningham | Labour |
| Crawley | Laura Moffatt | Labour | Laura Moffatt | Labour |
| Crewe and Nantwich | Gwyneth Dunwoody | Labour | Gwyneth Dunwoody | Labour |
| Crosby | Claire Curtis-Thomas | Labour | Claire Curtis-Thomas | Labour |
| Croydon Central | Andrew Pelling | Conservative | Geraint Davies | Labour |
| Croydon North | Malcolm Wicks | Labour | Malcolm Wicks | Labour |
| Croydon South | Richard Ottaway | Conservative | Richard Ottaway | Conservative |
| Cumbernauld, Kilsyth and Kirkintilloch East | Rosemary McKenna | Labour | (boundary changes) | Labour |
| Cynon Valley | Ann Clwyd | Labour | Ann Clwyd | Labour |
|
|
| Constituency | Elected MP | Elected Party | Previous MP | Previous Party |
| Dagenham | Jon Cruddas | Labour | Jon Cruddas | Labour |
| Darlington | Alan Milburn | Labour | Alan Milburn | Labour |
| Dartford | Howard Stoate | Labour | Howard Stoate | Labour |
| Daventry | Tim Boswell | Conservative | Tim Boswell | Conservative |
| Delyn | David Hanson | Labour | David Hanson | Labour |
| Denton and Reddish | Andrew Gwynne | Labour | Andrew Bennett | Labour |
| Derby North | Bob Laxton | Labour | Bob Laxton | Labour |
| Derby South | Margaret Beckett | Labour | Margaret Beckett | Labour |
| Devizes | Michael Ancram | Conservative | Michael Ancram | Conservative |
| Dewsbury | Shahid Malik | Labour | Ann Taylor | Labour |
| Don Valley | Caroline Flint | Labour | Caroline Flint | Labour |
| Doncaster Central | Rosie Winterton | Labour | Rosie Winterton | Labour |
| Doncaster North | Ed Miliband | Labour | Kevin Hughes | Labour |
| Dover | Gwyn Prosser | Labour | Gwyn Prosser | Labour |
| Dudley North | Ian Austin | Labour | Ross Cranston | Labour |
| Dudley South | Ian Pearson | Labour | Ian Pearson | Labour |
| Dulwich and West Norwood | Tessa Jowell | Labour | Tessa Jowell | Labour |
| Dumfries and Galloway | Russell Brown | Labour | (boundary changes) | Labour |
| Dumfriesshire, Clydesdale and Tweeddale | David Mundell | Conservative | (boundary changes) | Labour |
| Dundee East | Stewart Hosie | Scottish National Party | (boundary changes) | Labour |
| Dundee West | James McGovern | Labour | (boundary changes) | Labour |
| Dunfermline and West Fife | Rachel Squire | Labour | (boundary changes) | Labour |
| Durham, City of | Roberta Blackman-Woods | Labour | Gerry Steinberg | Labour |
|
|
| Constituency | Elected MP | Elected Party | Previous MP | Previous Party |
| Ealing North | Stephen Pound | Labour | Stephen Pound | Labour |
| Ealing, Acton and Shepherd'Ealing, Acton and Shepherd's Bush | Andrew Slaughter | Labour | Clive Soley | Labour |
| Ealing Southall | Piara Singh Khabra | Labour | Piara Singh Khabra | Labour |
| Easington | John Cummings | Labour | John Cummings | Labour |
| East Antrim | Sammy Wilson | Democratic Unionist | Roy Beggs | Ulster Unionist |
| East Devon | Hugo Swire | Conservative | Hugo Swire | Conservative |
| East Dunbartonshire | Jo Swinson | Liberal Democrat | (boundary changes) | Labour |
| East Ham | Stephen Timms | Labour | Stephen Timms | Labour |
| East Hampshire | Michael Mates | Conservative | Michael Mates | Conservative |
| East Kilbride, Strathaven and Lesmahagow | Adam Ingram | Labour | (boundary changes) | Labour |
| East Londonderry | Gregory Campbell | Democratic Unionist | Gregory Campbell | Democratic Unionist |
| East Lothian | Anne Picking | Labour | (boundary changes) | Labour |
| East Renfrewshire | Jim Murphy | Labour | Jim Murphy (Eastwood) | Labour |
| East Surrey | Peter Ainsworth | Conservative | Peter Ainsworth | Conservative |
| East Worthing and Shoreham | Tim Loughton | Conservative | Tim Loughton | Conservative |
| East Yorkshire | Greg Knight | Conservative | Greg Knight | Conservative |
| Eastbourne | Nigel Waterson | Conservative | Nigel Waterson | Conservative |
| Eastleigh | Chris Huhne | Liberal Democrat | David Chidgey | Liberal Democrat |
| Eccles | Ian Stewart | Labour | Ian Stewart | Labour |
| Eddisbury | Stephen O'Brien | Conservative | Stephen O'Brien | Conservative |
| Edinburgh East | Gavin Strang | Labour | (boundary changes) | Labour |
| Edinburgh North and Leith | Mark Lazarowicz | Labour/Co-operative | (boundary changes) | Labour |
| Edinburgh South | Nigel Griffiths | Labour | (boundary changes) | Labour |
| Edinburgh South West | Alistair Darling | Labour | (boundary changes) | Labour |
| Edinburgh West | John Barrett | Liberal Democrat | (boundary changes) | Liberal Democrat |
| Edmonton | Andrew Love | Labour/Co-operative | Andrew Love | Labour/Co-operative |
| Ellesmere Port and Neston | Andrew Miller | Labour | Andrew Miller | Labour |
| Elmet | Colin Burgon | Labour | Colin Burgon | Labour |
| Eltham | Clive Efford | Labour | Clive Efford | Labour |
| Enfield North | Joan Ryan | Labour | Joan Ryan | Labour |
| Enfield Southgate | David Burrowes | Conservative | Stephen Twigg | Labour |
| Epping Forest | Eleanor Laing | Conservative | Eleanor Laing | Conservative |
| Epsom and Ewell | Chris Grayling | Conservative | Chris Grayling | Conservative |
| Erewash | Liz Blackman | Labour | Liz Blackman | Labour |
| Erith and Thamesmead | John Austin | Labour | John Austin | Labour |
| Esher and Walton | Ian Taylor | Conservative | Ian Taylor | Conservative |
| Exeter | Ben Bradshaw | Labour | Ben Bradshaw | Labour |
|
|
| Constituency | Elected MP | Elected Party | Previous MP | Previous Party |
| Falkirk | Eric Joyce | Labour | (boundary changes) | Labour |
| Falmouth and Camborne | Julia Goldsworthy | Liberal Democrat | Candy Atherton | Labour |
| Fareham | Mark Hoban | Conservative | Mark Hoban | Conservative |
| Faversham and Mid Kent | Hugh Robertson | Conservative | Hugh Robertson | Conservative |
| Feltham and Heston | Alan Keen | Labour | Alan Keen | Labour |
| Fermanagh and South Tyrone | Michelle Gildernew | Sinn Féin | Michelle Gildernew | Sinn Féin |
| Fife North East | Sir Menzies Campbell | Liberal Democrat | (boundary changes) | Liberal Democrat |
| Finchley and Golders Green | Dr Rudi Vis | Labour | Dr Rudi Vis | Labour |
| Folkestone and Hythe | Michael Howard | Conservative | Michael Howard | Conservative |
| Forest of Dean | Mark Harper | Conservative | Diana Organ | Labour |
| Foyle | Mark Durkan | Social Democratic and Labour | John Hume | Social Democratic and Labour |
| Fylde | Michael Jack | Conservative | Michael Jack | Conservative |
|
|
| Constituency | Elected MP | Elected Party | Previous MP | Previous Party |
| Gainsborough | Edward Leigh | Conservative | Edward Leigh | Conservative |
| Gateshead East and Washington West | Sharon Hodgson | Labour | Joyce Quin | Labour |
| Gedling | Vernon Coaker | Labour | Vernon Coaker | Labour |
| Gillingham | Paul Clark | Labour | Paul Clark | Labour |
| Glasgow Central | Mohammad Sarwar | Labour | (boundary changes) | Labour |
| Glasgow East | David Marshall | Labour | (boundary changes) | Labour |
| Glasgow North | Ann McKechin | Labour | (boundary changes) | Labour |
| Glasgow North East | Michael Martin | None - Speaker | (boundary changes) | Labour |
| Glasgow North West | John Robertson | Labour | (boundary changes) | Labour |
| Glasgow South | Tom Harris | Labour | (boundary changes) | Labour |
| Glasgow South West | Ian Davidson | Labour | (boundary changes) | Labour |
| Glenrothes | John MacDougall | Labour | (boundary changes) | Labour |
| Gloucester | Parmjit Dhanda | Labour | Parmjit Dhanda | Labour |
| Gordon | Malcolm Bruce | Liberal Democrat | (boundary changes) | Liberal Democrat |
| Gosport | Peter Viggers | Conservative | Peter Viggers | Conservative |
| Gower | Martin Caton | Labour | Martin Caton | Labour |
| Grantham and Stamford | Quentin Davies | Conservative | Quentin Davies | Conservative |
| Gravesham | Adam Holloway | Conservative | Chris Pond | Labour |
| Great Grimsby | Austin Mitchell | Labour | Austin Mitchell | Labour |
| Great Yarmouth | Tony Wright | Labour | Tony Wright | Labour |
| Greenwich and Woolwich | Nick Raynsford | Labour | Nick Raynsford | Labour |
| Guildford | Anne Milton | Conservative | Sue Doughty | Liberal Democrat |
|
|
| Constituency | Elected MP | Elected Party | Previous MP | Previous Party |
| Hackney North and Stoke Newington | Diane Abbott | Labour | Diane Abbott | Labour |
| Hackney South and Shoreditch | Meg Hillier | Labour/Co-operative | Brian Sedgemore | Labour |
| Halesowen and Rowley Regis | Sylvia Heal | Labour | Sylvia Heal | Deputy Speaker (Elected as Labour) |
| Halifax | Linda Riordan | Labour/Co-operative | Alice Mahon | Labour |
| Haltemprice and Howden | David Davis | Conservative | David Davis | Conservative |
| Halton | Derek Twigg | Labour | Derek Twigg | Labour |
| Hammersmith and Fulham | Greg Hands | Conservative | Iain Coleman | Labour |
| Hampstead and Highgate | Glenda Jackson | Labour | Glenda Jackson | Labour |
| Harborough | Edward Garnier | Conservative | Edward Garnier | Conservative |
| Harlow | Bill Rammell | Labour | Bill Rammell | Labour |
| Harrogate and Knaresborough | Phil Willis | Liberal Democrat | Phil Willis | Liberal Democrat |
| Harrow East | Tony McNulty | Labour | Tony McNulty | Labour |
| Harrow West | Gareth Thomas | Labour | Gareth Thomas | Labour |
| Hartlepool | Iain Wright | Labour | Iain Wright | Labour |
| Harwich | Douglas Carswell | Conservative | Ivan Henderson | Labour |
| Hastings and Rye | Michael Foster | Labour | Michael Foster | Labour |
| Havant | David Willetts | Conservative | David Willetts | Conservative |
| Hayes and Harlington | John McDonnell | Labour | John McDonnell | Labour |
| Hazel Grove | Andrew Stunell | Liberal Democrat | Andrew Stunell | Liberal Democrat |
| Hemel Hempstead | Mike Penning | Conservative | Tony McWalter | Labour/Co-operative |
| Hemsworth | Jon Trickett | Labour | Jon Trickett | Labour |
| Hendon | Andrew Dismore | Labour | Andrew Dismore | Labour |
| Henley | Boris Johnson | Conservative | Boris Johnson | Conservative |
| Hereford | Paul Keetch | Liberal Democrat | Paul Keetch | Liberal Democrat |
| Hertford and Stortford | Mark Prisk | Conservative | Mark Prisk | Conservative |
| Hertsmere | James Clappison | Conservative | James Clappison | Conservative |
| Hexham | Peter Atkinson | Conservative | Peter Atkinson | Conservative |
| Heywood and Middleton | Jim Dobbin | Labour/Co-operative | Jim Dobbin | Labour/Co-operative |
| High Peak | Tom Levitt | Labour | Tom Levitt | Labour |
| Hitchin and Harpenden | Peter Lilley | Conservative | Peter Lilley | Conservative |
| Holborn and St Pancras | Frank Dobson | Labour | Frank Dobson | Labour |
| Hornchurch | James Brokenshire | Conservative | John Cryer | Labour |
| Hornsey and Wood Green | Lynne Featherstone | Liberal Democrat | Barbara Roche | Labour |
| Horsham | Francis Maude | Conservative | Francis Maude | Conservative |
| Houghton and Washington East | Fraser Kemp | Labour | Fraser Kemp | Labour |
| Hove | Celia Barlow | Labour | Ivor Caplin | Labour |
| Huddersfield | Barry Sheerman | Labour/Co-operative | Barry Sheerman | Labour |
| Huntingdon | Jonathan Djanogly | Conservative | Jonathan Djanogly | Conservative |
| Hyndburn | Greg Pope | Labour | Greg Pope | Labour |
|
|
| Constituency | Elected MP | Elected Party | Previous MP | Previous Party |
| Ilford North | Lee Scott | Conservative | Linda Perham | Labour |
| Ilford South | Mike Gapes | Labour | Mike Gapes | Labour |
| Inverclyde | David Cairns | Labour | (boundary changes) | Labour |
| Inverness, Nairn, Badenoch and Strathspey | Danny Alexander | Liberal Democrat | (boundary changes) | Labour |
| Ipswich | Chris Mole | Labour | Chris Mole | Labour |
| Isle of Wight | Andrew Turner | Conservative | Andrew Turner | Conservative |
| Islington North | Jeremy Corbyn | Labour | Jeremy Corbyn | Labour |
| Islington South and Finsbury | Emily Thornberry | Labour | Chris Smith | Labour |
| Islwyn | Don Touhig | Labour | Don Touhig | Labour |
|
|
| Constituency | Elected MP | Elected Party | Previous MP | Previous Party |
| Jarrow | Jamie Kemp | Labour | Stephen Hepburn | Labour |
|
|
| Constituency | Elected MP | Elected Party | Previous MP | Previous Party |
| Keighley | Ann Cryer | Labour | Ann Cryer | Labour |
| Kensington and Chelsea | Malcolm Rifkind | Conservative | Michael Portillo | Conservative |
| Kettering | Philip Hollobone | Conservative | Phil Sawford | Labour |
| Kilmarnock and Loudoun | Des Browne | Labour | (boundary changes) | Labour |
| Kingston and Surbiton | Edward Davey | Liberal Democrat | Edward Davey | Liberal Democrat |
| Kingston upon Hull East | John Prescott | Labour | John Prescott | Labour |
| Kingston upon Hull North | Diana Johnson | Labour | Kevin McNamara | Labour |
| Kingston upon Hull West and Hessle | Alan Johnson | Labour | Alan Johnson | Labour |
| Kingswood | Roger Berry | Labour | Roger Berry | Labour |
| Kirkcaldy and Cowdenbeath | Gordon Brown | Labour | (boundary changes) | Labour |
| Knowsley North and Sefton East | George Howarth | Labour | George Howarth | Labour |
| Knowsley South | Edward O'Hara | Labour | Edward O'Hara | Labour |
|
|
| Constituency | Elected MP | Elected Party | Previous MP | Previous Party |
| Lagan Valley | Jeffrey Donaldson | Democratic Unionist | Jeffrey Donaldson | Democratic Unionist |
| Lanark and Hamilton East | Jimmy Hood | Labour | (boundary changes) | Labour |
| Lancaster and Wyre | Ben Wallace | Conservative | Hilton Dawson | Labour |
| Leeds Central | Hilary Benn | Labour | Hilary Benn | Labour |
| Leeds East | George Mudie | Labour | George Mudie | Labour |
| Leeds North East | Fabian Hamilton | Labour | Fabian Hamilton | Labour |
| Leeds North West | Greg Mulholland | Liberal Democrat | Harold Best | Labour |
| Leeds West | John Battle | Labour | John Battle | Labour |
| Leicester East | Keith Vaz | Labour | Keith Vaz | Labour |
| Leicester South | Sir Peter Soulsby | Labour | Parmjit Singh Gill | Liberal Democrat |
| Leicester West | Patricia Hewitt | Labour | Patricia Hewitt | Labour |
| Leigh | Andy Burnham | Labour | Andy Burnham | Labour |
| Leominster | Bill Wiggin | Conservative | Bill Wiggin | Conservative |
| Lewes | Norman Baker | Liberal Democrat | Norman Baker | Liberal Democrat |
| Lewisham East | Bridget Prentice | Labour | Bridget Prentice | Labour |
| Lewisham West | Jim Dowd | Labour | Jim Dowd | Labour |
| Lewisham Deptford | Joan Ruddock | Labour | Joan Ruddock | Labour |
| Leyton and Wanstead | Harry Cohen | Labour | Harry Cohen | Labour |
| Lichfield | Michael Fabricant | Conservative | Michael Fabricant | Conservative |
| Lincoln | Gillian Merron | Labour | Gillian Merron | Labour |
| Linlithgow and East Falkirk | Michael Connarty | Labour | (boundary changes) | Labour |
| Liverpool Garston | Maria Eagle | Labour | Maria Eagle | Labour |
| Liverpool Riverside | Louise Ellman | Labour | Louise Ellman | Labour |
| Liverpool Walton | Peter Kilfoyle | Labour | Peter Kilfoyle | Labour |
| Liverpool Wavertree | Jane Kennedy | Labour | Jane Kennedy | Labour |
| Liverpool West Derby | Robert Wareing | Labour | Robert Wareing | Labour |
| Livingston | Robin Cook | Labour | (boundary changes) | Labour |
| Llanelli | Nia Griffith | Labour | Denzil Davies | Labour |
| London and Westminster, Cities of | Mark Field | Conservative | Mark Field | Conservative |
| Loughborough | Andy Reed | Labour/Co-operative | Andy Reed | Labour/Co-operative |
| Louth and Horncastle | Sir Peter Tapsell | Conservative | Sir Peter Tapsell | Conservative |
| Ludlow | Philip Dunne (politician) | Conservative | Matthew Green | Liberal Democrat |
| Luton North | Kelvin Hopkins | Labour | Kelvin Hopkins | Labour |
| Luton South | Margaret Moran | Labour | Margaret Moran | Labour |
|
|
| Constituency | Elected MP | Elected Party | Previous MP | Previous Party |
| Macclesfield | Sir Nicholas Winterton | Conservative | Sir Nicholas Winterton | Conservative |
| Maidenhead | Theresa May | Conservative | Theresa May | Conservative |
| Maidstone and The Weald | Ann Widdecombe | Conservative | Ann Widdecombe | Conservative |
| Makerfield | Ian McCartney | Labour | Ian McCartney | Labour |
| Maldon and East Chelmsford | John Whittingdale | Conservative | John Whittingdale | Conservative |
| Manchester Blackley | Graham Stringer | Labour | Graham Stringer | Labour |
| Manchester Central | Tony Lloyd | Labour | Tony Lloyd | Labour |
| Manchester Gorton | Gerald Kaufman | Labour | Gerald Kaufman | Labour |
| Manchester Withington | John Leech | Liberal Democrat | Keith Bradley | Labour |
| Mansfield | Alan Meale | Labour | Alan Meale | Labour |
| Medway | Robert Marshall-Andrews | Labour | Robert Marshall-Andrews | Labour |
| Meirionnydd Nant Conwy | Elfyn Llwyd | Plaid Cymru | Elfyn Llwyd | Plaid Cymru |
| Meriden | Caroline Spelman | Conservative | Caroline Spelman | Conservative |
| Merthyr Tydfil and Rhymney | Dai Havard | Labour | Dai Havard | Labour |
| Mid Bedfordshire | Nadine Dorries | Conservative | Jonathan Sayeed | Conservative |
| Mid Dorset and North Poole | Annette Brooke | Liberal Democrat | Annette Brooke | Liberal Democrat |
| Mid Norfolk | Keith Simpson | Conservative | Keith Simpson | Conservative |
| Mid Sussex | Nicholas Soames | Conservative | Nicholas Soames | Conservative |
| Mid Ulster | Martin McGuinness | Sinn Féin | Martin McGuinness | Sinn Féin |
| Mid Worcestershire | Peter Luff | Conservative | Peter Luff | Conservative |
| Middlesbrough | Sir Stuart Bell | Labour | Sir Stuart Bell | Labour |
| Middlesbrough South and East Cleveland | Dr Ashok Kumar | Labour | Dr Ashok Kumar | Labour |
| Midlothian | David Hamilton | Labour | (boundary changes) | Labour |
| Milton Keynes South West | Dr Phyllis Starkey | Labour | Dr Phyllis Starkey | Labour |
| Mitcham and Morden | Siobhain McDonagh | Labour | Siobhain McDonagh | Labour |
| Mole Valley | Sir Paul Beresford | Conservative | Sir Paul Beresford | Conservative |
| Monmouth | David Davies | Conservative | Huw Edwards | Labour |
| Montgomeryshire | Lembit Öpik | Liberal Democrat | Lembit Öpik | Liberal Democrat |
| Moray | Angus Robertson | Scottish National Party | (boundary changes) | Scottish National Party |
| Morecambe and Lunesdale | Geraldine Smith | Labour | Geraldine Smith | Labour |
| Morley and Rothwell | Colin Challen | Labour | Colin Challen | Labour |
| Motherwell and Wishaw | Frank Roy | Labour | (boundary changes) | Labour |
|
|
| Constituency | Elected MP | Elected Party | Previous MP | Previous Party |
Na h-Eileanan an Iar (Western Isles) | Angus MacNeil | Scottish National Party | Calum Macdonald | Labour |
| Neath | Peter Hain | Labour | Peter Hain | Labour |
| New Forest East | Dr Julian Lewis | Conservative | Dr Julian Lewis | Conservative |
| New Forest West | Desmond Swayne | Conservative | Desmond Swayne | Conservative |
| Newark | Patrick Mercer | Conservative | Patrick Mercer | Conservative |
| Newbury | Richard Benyon | Conservative | David Rendel | Liberal Democrat |
| Newcastle upon Tyne Central | Jim Cousins | Labour | Jim Cousins | Labour |
| Newcastle upon Tyne East and Wallsend | Nick Brown | Labour | Nick Brown | Labour |
| Newcastle upon Tyne North | Doug Henderson | Labour | Doug Henderson | Labour |
| Newcastle-under-Lyme | Paul Farrelly | Labour | Paul Farrelly | Labour |
| Newport East | Jessica Morden | Labour | Alan Howarth | Labour |
| Newport West | Paul Flynn | Labour | Paul Flynn | Labour |
| Newry and Armagh | Conor Murphy | Sinn Féin | Seamus Mallon | Social Democratic and Labour |
| Normanton | Ed Balls | Labour/Co-operative | Bill O'Brien | Labour |
| North Antrim | The Rev. Ian Paisley | Democratic Unionist | The Rev. Ian Paisley | Democratic Unionist |
| North Ayrshire and Arran | Katy Clark | Labour | (boundary changes) | Labour |
| North Cornwall | Dan Rogerson | Liberal Democrat | Paul Tyler | Liberal Democrat |
| North Devon | Nick Harvey | Liberal Democrat | Nick Harvey | Liberal Democrat |
| North Dorset | Robert Walter | Conservative | Robert Walter | Conservative |
| North Down | Lady Hermon | Ulster Unionist | Sylvia Hermon | Ulster Unionist |
| North Durham | Kevan Jones | Labour | Kevan Jones | Labour |
| North East Bedfordshire | Alistair Burt | Conservative | Alistair Burt | Conservative |
| North East Cambridgeshire | Malcolm Moss | Conservative | Malcolm Moss | Conservative |
| North East Derbyshire | Natasha Engel | Labour | Harry Barnes | Labour |
| North East Hampshire | James Arbuthnot | Conservative | James Arbuthnot | Conservative |
| North East Hertfordshire | Oliver Heald | Conservative | Oliver Heald | Conservative |
| North East Milton Keynes | Mark Lancaster | Conservative | Brian White | Labour |
| North Essex | Bernard Jenkin | Conservative | Bernard Jenkin | Conservative |
| North Norfolk | Norman Lamb | Liberal Democrat | Norman Lamb | Liberal Democrat |
| North Shropshire | Owen Paterson | Conservative | Owen Paterson | Conservative |
| North Thanet | Roger Gale | Conservative | Roger Gale | Conservative |
| North Tyneside | Stephen Byers | Labour | Stephen Byers | Labour |
| North Warwickshire | Mike O'Brien | Labour | Mike O'Brien | Labour |
| North West Cambridgeshire | Shailesh Vara | Conservative | Sir Brian Mawhinney | Conservative |
| North West Durham | Hilary Armstrong | Labour | Hilary Armstrong | Labour |
| North West Hampshire | Sir George Young | Conservative | Sir George Young | Conservative |
| North West Leicestershire | David Taylor | Labour/Co-operative | David Taylor | Labour/Co-operative |
| North West Norfolk | Henry Bellingham | Conservative | Henry Bellingham | Conservative |
| North Wiltshire | James Gray | Conservative | James Gray | Conservative |
| Northampton North | Sally Keeble | Labour | Sally Keeble | Labour |
| Northampton South | Brian Binley | Conservative | Tony Clarke | Labour |
| Northavon | Steve Webb | Liberal Democrat | Steve Webb | Liberal Democrat |
| Norwich North | Dr Ian Gibson | Labour | Dr Ian Gibson | Labour |
| Norwich South | Charles Clarke | Labour | Charles Clarke | Labour |
| Nottingham East | John Heppell | Labour | John Heppell | Labour |
| Nottingham North | Graham Allen | Labour | Graham Allen | Labour |
| Nottingham South | Alan Simpson | Labour | Alan Simpson | Labour |
| Nuneaton | Bill Olner | Labour | Bill Olner | Labour |
|
|
| Constituency | Elected MP | Elected Party | Previous MP | Previous Party |
| Ochil and South Perthshire | Gordon Banks | Labour | (boundary changes) | Labour |
| Ogmore | Huw Irranca-Davies | Labour | Huw Irranca-Davies | Labour |
| Old Bexley and Sidcup | Derek Conway | Conservative | Derek Conway | Conservative |
| Oldham East and Saddleworth | Phil Woolas | Labour | Phil Woolas | Labour |
| Oldham West and Royton | Michael Meacher | Labour | Michael Meacher | Labour |
| Orkney and Shetland | Alistair Carmichael | Liberal Democrat | Alistair Carmichael | Liberal Democrat |
| Orpington | John Horam | Conservative | John Horam | Conservative |
| Oxford East | Andrew Smith | Labour | Andrew Smith | Labour |
| Oxford West and Abingdon | Dr Evan Harris | Liberal Democrat | Dr Evan Harris | Liberal Democrat |
|
|
| Constituency | Elected MP | Elected Party | Previous MP | Previous Party |
| Paisley and Renfrewshire North | James Sheridan | Labour | (boundary changes) | Labour |
| Paisley and Renfrewshire South | Douglas Alexander | Labour | (boundary changes) | Labour |
| Pendle | Gordon Prentice | Labour | Gordon Prentice | Labour |
| Penrith and The Border | David Maclean | Conservative | David Maclean | Conservative |
| Perth and North Perthshire | Peter Wishart | Scottish National Party | (boundary changes) | Scottish National Party |
| Peterborough | Stewart Jackson | Conservative | Helen Clark | Labour |
| Plymouth Devonport | Alison Seabeck | Labour | David Jamieson | Labour |
| Plymouth Sutton | Linda Gilroy | Labour/Co-operative | Linda Gilroy | Labour/Co-operative |
| Pontefract and Castleford | Yvette Cooper | Labour | Yvette Cooper | Labour |
| Pontypridd | Dr Kim Howells | Labour | Dr Kim Howells | Labour |
| Poole | Robert Syms | Conservative | Robert Syms | Conservative |
| Poplar and Canning Town | Jim Fitzpatrick | Labour | Jim Fitzpatrick | Labour |
| Portsmouth North | Sarah McCarthy-Fry | Labour/Co-operative | Syd Rapson | Labour |
| Portsmouth South | Mike Hancock | Liberal Democrat | Mike Hancock | Liberal Democrat |
| Preseli Pembrokeshire | Stephen Crabb | Conservative | Jackie Lawrence | Labour |
| Preston | Mark Hendrick | Labour/Co-operative | Mark Hendrick | Labour/Co-operative |
| Pudsey | Paul Truswell | Labour | Paul Truswell | Labour |
| Putney | Justine Greening | Conservative | Tony Colman | Labour |
|
|
| Constituency | Elected MP | Elected Party | Previous MP | Previous Party |
| Rayleigh | Mark Francois | Conservative | Mark Francois | Conservative |
| Reading East | Rob Wilson | Conservative | Jane Griffiths | Labour |
| Reading West | Martin Salter | Labour | Martin Salter | Labour |
| Redcar | Vera Baird | Labour | Vera Baird | Labour |
| Redditch | Jacqui Smith | Labour | Jacqui Smith | Labour |
| Regent'Regent's Park and Kensington North | Karen Buck | Labour | Karen Buck | Labour |
| Reigate | Crispin Blunt | Conservative | Crispin Blunt | Conservative |
| Rhondda | Chris Bryant | Labour | Chris Bryant | Labour |
| Ribble Valley | Nigel Evans | Conservative | Nigel Evans | Conservative |
| Richmond, North Yorkshire | William Hague | Conservative | William Hague | Conservative |
| Richmond Park | Susan Kramer | Liberal Democrat | Dr Jenny Tonge | Liberal Democrat |
| Rochdale | Paul Rowen | Liberal Democrat | Lorna Fitzsimons | Labour |
| Rochford and Southend East | James Duddridge | Conservative | Sir Teddy Taylor | Conservative |
| Romford | Andrew Rosindell | Conservative | Andrew Rosindell | Conservative |
| Romsey | Sandra Gidley | Liberal Democrat | Sandra Gidley | Liberal Democrat |
| Ross, Skye and Lochaber | Charles Kennedy | Liberal Democrat | (boundary changes) | Liberal Democrat |
| Rossendale and Darwen | Janet Anderson | Labour | Janet Anderson | Labour |
| Rother Valley | Kevin Barron | Labour | Kevin Barron | Labour |
| Rotherham | Dr Denis MacShane | Labour | Dr Denis MacShane | Labour |
| Rugby and Kenilworth | Jeremy Wright | Conservative | Andy King | Labour |
| Ruislip-Northwood | Nick Hurd | Conservative | John Wilkinson | Conservative |
| Runnymede and Weybridge | Philip Hammond | Conservative | Philip Hammond | Conservative |
| Rushcliffe | Kenneth Clarke | Conservative | Kenneth Clarke | Conservative |
| Rutherglen and Hamilton West | Thomas McAvoy | Labour | (boundary changes) | Labour |
| Rutland and Melton | Alan Duncan | Conservative | Alan Duncan | Conservative |
| Ryedale | John Greenway | Conservative | John Greenway | Conservative |
|
|
| Constituency | Elected MP | Elected Party | Previous MP | Previous Party |
| Saffron Walden | Sir Alan Haselhurst | Conservative | Sir Alan Haselhurst | Deputy Speaker (Elected as Conservative) |
| Salford | Hazel Blears | Labour | Hazel Blears | Labour |
| Salisbury | Robert Key | Conservative | Robert Key | Conservative |
| Scarborough and Whitby | Robert Goodwill | Conservative | Lawrie Quinn | Labour |
| Scunthorpe | Elliot Morley | Labour | Elliot Morley | Labour |
| Sedgefield | Tony Blair | Labour | Tony Blair | Labour |
| Selby | John Grogan | Labour | John Grogan | Labour |
| Sevenoaks | Michael Fallon | Conservative | Michael Fallon | Conservative |
| Sheffield Central | Richard Caborn | Labour | Richard Caborn | Labour |
| Sheffield Attercliffe | Clive Betts | Labour | Clive Betts | Labour |
| Sheffield Brightside | David Blunkett | Labour | David Blunkett | Labour |
| Sheffield Hallam | Nicholas Clegg | Liberal Democrat | Richard Allan | Liberal Democrat |
| Sheffield Heeley | Meg Munn | Labour/Co-operative | Meg Munn | Labour/Co-operative |
| Sheffield Hillsborough | Angela Smith | Labour | Helen Jackson | Labour |
| Sherwood | Paddy Tipping | Labour | Paddy Tipping | Labour |
| Shipley | Philip Davies | Conservative | Christopher Leslie | Labour |
| Shrewsbury and Atcham | Daniel Kawczynski | Conservative | Paul Marsden | Independent Labour |
| Sittingbourne and Sheppey | Derek Wyatt | Labour | Derek Wyatt | Labour |
| Skipton and Ripon | David Curry | Conservative | David Curry | Conservative |
| Sleaford and North Hykeham | Douglas Hogg | Conservative | Douglas Hogg | Conservative |
| Slough | Fiona Mactaggart | Labour | Fiona Mactaggart | Labour |
| Solihull | Lorely Burt | Liberal Democrat | John Taylor | Conservative |
| Somerton and Frome | David Heath | Liberal Democrat | David Heath | Liberal Democrat |
| South Antrim | William McCrea | Democratic Unionist | David Burnside | Ulster Unionist |
| South Cambridgeshire | Andrew Lansley | Conservative | Andrew Lansley | Conservative |
| South Derbyshire | Mark Todd | Labour | Mark Todd | Labour |
| South Dorset | Jim Knight | Labour | Jim Knight | Labour |
| South Down | Eddie McGrady | Social Democratic and Labour | Eddie McGrady | Social Democratic and Labour |
| South East Cambridgeshire | James Paice | Conservative | James Paice | Conservative |
| South East Cornwall | Colin Breed | Liberal Democrat | Colin Breed | Liberal Democrat |
| South Holland and The Deepings | John Hayes | Conservative | John Henry Hayes | Conservative |
| South Norfolk | Richard Bacon | Conservative | Richard Bacon | Conservative |
| South Ribble | David Borrow | Labour | David Borrow | Labour |
| South Shields | David Miliband | Labour | David Miliband | Labour |
| South Staffordshire | Sir Patrick Cormack | Conservative | Sir Patrick Cormack | Conservative |
| South Suffolk | Tim Yeo | Conservative | Tim Yeo | Conservative |
| South Thanet | Dr Stephen Ladyman | Labour | Dr Stephen Ladyman | Labour |
| South West Bedfordshire | Andrew Selous | Conservative | Andrew Selous | Conservative |
| South West Devon | Gary Streeter | Conservative | Gary Streeter | Conservative |
| South West Hertfordshire | David Gauke | Conservative | Richard Page | Conservative |
| South West Norfolk | Christopher Fraser | Conservative | Gillian Shephard | Conservative |
| South West Surrey | Jeremy Hunt | Conservative | Virginia Bottomley | Conservative |
| Southampton Itchen | John Denham | Labour | John Denham | Labour |
| Southampton Test | Dr Alan Whitehead | Labour | Dr Alan Whitehead | Labour |
| Southend West | David Amess | Conservative | David Amess | Conservative |
| Southport | Dr John Pugh | Liberal Democrat | Dr John Pugh | Liberal Democrat |
| North Southwark and Bermondsey | Simon Hughes | Liberal Democrat | Simon Hughes | Liberal Democrat |
| Spelthorne | David Wilshire | Conservative | David Wilshire | Conservative |
| St Albans | Anne Main | Conservative | Kerry Pollard | Labour |
| St Helens North | David Watts | Labour | David Watts | Labour |
| St Helens South | Shaun Woodward | Labour | Shaun Woodward | Labour |
| St Ives | Andrew George | Liberal Democrat | Andrew George | Liberal Democrat |
| Stafford | David Kidney | Labour | David Kidney | Labour |
| Staffordshire Moorlands | Charlotte Atkins | Labour | Charlotte Atkins | Labour |
| Stalybridge and Hyde | James Purnell | Labour | James Purnell | Labour |
| Stevenage | Barbara Follett | Labour | Barbara Follett | Labour |
| Stirling | Anne McGuire | Labour | (boundary changes) | Labour |
| Stockport | Ann Coffey | Labour | Ann Coffey | Labour |
| Stockton North | Frank Cook | Labour | Frank Cook | Labour |
| Stockton South | Dari Taylor | Labour | Dari Taylor | Labour |
| Stoke-on-Trent Central | Mark Fisher | Labour | Mark Fisher | Labour |
| Stoke-on-Trent North | Joan Walley | Labour | Joan Walley | Labour |
| Stoke-on-Trent South | Robert Flello | Labour | George Stevenson | Labour |
| Stone | William Cash | Conservative | William Cash | Conservative |
| Stourbridge | Lynda Waltho | Labour | Debra Shipley | Labour |
| Strangford | Iris Robinson | Democratic Unionist | Iris Robinson | Democratic Unionist |
| Stratford-on-Avon | John Maples | Conservative | John Maples | Conservative |
| Streatham | Keith Hill | Labour | Keith Hill | Labour |
| Stretford and Urmston | Beverley Hughes | Labour | Beverley Hughes | Labour |
| Stroud | David Drew | Labour/Co-operative | David Drew | Labour/Co-operative |
| Suffolk Coastal | John Gummer | Conservative | John Gummer | Conservative |
| Sunderland North | Bill Etherington | Labour | Bill Etherington | Labour |
| Sunderland South | Chris Mullin | Labour | Chris Mullin | Labour |
| Surrey Heath | Michael Gove | Conservative | Nick Hawkins | Conservative |
| Sutton and Cheam | Paul Burstow | Liberal Democrat | Paul Burstow | Liberal Democrat |
| Sutton Coldfield | Andrew Mitchell | Conservative | Andrew Mitchell | Conservative |
| Swansea East | Sian James | Labour | Donald Anderson | Labour |
| Swansea West | Alan Williams | Labour | Alan Williams | Labour |
| Swindon North | Michael Wills | Labour | Michael Wills | Labour |
| Swindon South | Anne Snelgrove | Labour | Julia Drown | Labour |
|
|
| Constituency | Elected MP | Elected Party | Previous MP | Previous Party |
| Tamworth | Brian Jenkins | Labour | Brian Jenkins | Labour |
| Tatton | George Osborne | Conservative | George Osborne | Conservative |
| Taunton | Jeremy Browne | Liberal Democrat | Adrian John Flook | Conservative |
| Teignbridge | Richard Younger-Ross | Liberal Democrat | Richard Younger-Ross | Liberal Democrat |
| Telford | David Wright | Labour | David Wright | Labour |
| Tewkesbury | Laurence Robertson | Conservative | Laurence Robertson | Conservative |
| Thurrock | Andrew Mackinlay | Labour | Andrew Mackinlay | Labour |
| Tiverton and Honiton | Angela Browning | Conservative | Angela Browning | Conservative |
| Tonbridge and Malling | Sir John Stanley | Conservative | Sir John Stanley | Conservative |
| Tooting | Sadiq Khan | Labour | Tom Cox | Labour |
| Torbay | Adrian Sanders | Liberal Democrat | Adrian Sanders | Liberal Democrat |
| Torfaen | Paul Murphy | Labour | Paul Murphy | Labour |
| Torridge and West Devon | Geoffrey Cox | Conservative | John Burnett | Liberal Democrat |
| Totnes | Anthony Steen | Conservative | Anthony Steen | Conservative |
| Tottenham | David Lammy | Labour | David Lammy | Labour |
| Truro and St Austell | Matthew Taylor | Liberal Democrat | Matthew Taylor | Liberal Democrat |
| Tunbridge Wells | Greg Clark | Conservative | Archie Norman | Conservative |
| Twickenham | Dr Vincent Cable | Liberal Democrat | Dr Vincent Cable | Liberal Democrat |
| Tyne Bridge | David Clelland | Labour | David Clelland | Labour |
| Tynemouth | Alan Campbell | Labour | Alan Campbell | Labour |
|
|
|
| Constituency | Elected MP | Elected Party | Previous MP | Previous Party |
| Upminster | Angela Watkinson | Conservative | Angela Watkinson | Conservative |
| Upper Bann | David Simpson | Democratic Unionist | David Trimble | Ulster Unionist |
| Uxbridge | John Randall | Conservative | John Randall | Conservative |
|
|
| Constituency | Elected MP | Elected Party | Previous MP | Previous Party |
| Vale of Clwyd | Chris Ruane | Labour | Chris Ruane | Labour |
| Vale of Glamorgan | John Smith | Labour | John Smith | Labour |
| Vale of York | Anne McIntosh | Conservative | Anne McIntosh | Conservative |
| Vauxhall | Kate Hoey | Labour | Kate Hoey | Labour |
|
|
| Constituency | Elected MP | Elected Party | Previous MP | Previous Party |
| Wakefield | Mary Creagh | Labour | David Hinchliffe | Labour |
| Wallasey | Angela Eagle | Labour | Angela Eagle | Labour |
| Walsall North | David Winnick | Labour | David Winnick | Labour |
| Walsall South | Bruce George | Labour | Bruce George | Labour |
| Walthamstow | Neil Gerrard | Labour | Neil Gerrard | Labour |
| Wansbeck | Denis Murphy | Labour | Denis Murphy | Labour |
| Wansdyke | Dan Norris | Labour | Dan Norris | Labour |
| Wantage | Ed Vaizey | Conservative | Robert V. Jackson | Labour |
| Warley | John Spellar | Labour | John Spellar | Labour |
| Warrington North | Helen Jones | Labour | Helen Jones | Labour |
| Warrington South | Helen Southworth | Labour | Helen Southworth | Labour |
| Warwick and Leamington | James Plaskitt | Labour | James Plaskitt | Labour |
| Watford | Claire Ward | Labour | Claire Ward | Labour |
| Waveney | Bob Blizzard | Labour | Bob Blizzard | Labour |
| Wealden | Charles Hendry | Conservative | Charles Hendry | Conservative |
| Weaver Vale | Mike Hall | Labour | Mike Hall | Labour |
| Wellingborough | Peter Bone | Conservative | Paul Stinchcombe | Labour |
| Wells | David Heathcoat-Amory | Conservative | David Heathcoat-Amory | Conservative |
| Welwyn Hatfield | Grant Shapps | Conservative | Melanie Johnson | Labour |
| Wentworth | John Healey | Labour | John Healey | Labour |
| West Aberdeenshire and Kincardine | Sir Robert Smith, Bt | Liberal Democrat | (boundary changes) | Liberal Democrat |
| West Bromwich East | Tom Watson | Labour | Tom Watson | Labour |
| West Bromwich West | Adrian Bailey | Labour | Adrian Bailey | Labour |
| West Derbyshire | Patrick McLoughlin | Conservative | Patrick McLoughlin | Conservative |
| West Dorset | Oliver Letwin | Conservative | Oliver Letwin | Conservative |
| West Dunbartonshire | John McFall | Labour/Co-operative | (boundary changes) | Labour |
| West Ham | Lyn Brown | Labour | Tony Banks | Labour |
| West Lancashire | Rosie Cooper | Labour | Colin Pickthall | Labour |
| West Suffolk | Richard Spring | Conservative | Richard Spring | Conservative |
| West Tyrone | Pat Doherty | Sinn Féin | Pat Doherty | Sinn Féin |
| West Worcestershire | Sir Michael Spicer | Conservative | Sir Michael Spicer | Conservative |
| Westbury | Dr Andrew Murrison | Conservative | Dr Andrew Murrison | Conservative |
| Westmorland and Lonsdale | Tim Farron | Liberal Democrat | Tim Collins | Conservative |
| Weston-Super-Mare | John Penrose | Conservative | Brian Cotter | Liberal Democrat |
| Wigan | Neil Turner | Labour | Neil Turner | Labour |
| Wimbledon | Stephen Hammond | Conservative | Roger Casale | Labour |
| Winchester | Mark Oaten | Liberal Democrat | Mark Oaten | Liberal Democrat |
| Windsor | Adam Afriyie | Conservative | Michael Trend | Conservative |
| Wirral South | Ben Chapman | Labour | Ben Chapman | Labour |
| Wirral West | Stephen Hesford | Labour | Stephen Hesford | Labour |
| Witney | David Cameron | Conservative | David Cameron | Conservative |
| Woking | Humfrey Malins | Conservative | Humfrey Malins | Conservative |
| Wokingham | John Redwood | Conservative | John Redwood | Conservative |
| Wolverhampton North East | Ken Purchase | Labour | Ken Purchase | Labour |
| Wolverhampton South East | Pat McFadden | Labour | Dennis Turner | Labour |
| Wolverhampton South West | Rob Marris | Labour | Rob Marris | Labour |
| Woodspring | Liam Fox | Conservative | Dr Liam Fox | Conservative |
| Worcester | Michael Foster | Labour | Michael Foster | Labour |
| Workington | Tony Cunningham | Labour | Tony Cunningham | Labour |
| Worsley | Barbara Keeley | Labour | Terence Lewis | Labour |
| Worthing West | Peter Bottomley | Conservative | Peter Bottomley | Conservative |
| Wrekin, The | Mark Pritchard | Conservative | Peter Bradley | Labour |
| Wrexham | Ian Lucas | Labour | Ian Lucas | Labour |
| Wycombe | Paul Goodman | Conservative | Paul Goodman | Conservative |
| Wyre Forest | Dr Richard Taylor | Health Concern | Dr Richard Taylor | Independent |
| Wythenshawe and Sale East | Paul Goggins | Labour | Paul Goggins | Labour |
|
|
| Constituency | Elected MP | Elected Party | Previous MP | Previous Party |
| Yeovil | David Laws | Liberal Democrat | David Laws | Liberal Democrat |
Ynys Môn (Isle of Anglesey) | Albert Owen | Labour | Albert Owen | Labour |
| York, City of | Hugh Bayley | Labour | Hugh Bayley | Labour |