Below are lists of Labour marginal seats showing which constituencies won in the latest elections can be most easily lost.
Below is the Labour defence list consisting of Labour held marginal seats for the 2029 general election. These marginal constituencies are ordered from the smallest to the largest swing to be defeated by the largest opposition party.
View Labour target seats for the next general election.
(order by percentage majority)
| Rank | Constituency | Region | Majority | Swing to Defeat | |
|---|---|---|---|---|---|
| 1. | Hendon | London | 15 | 0.02% | |
| 2. | Poole | South West | 18 | 0.02% | |
| 3. | Cambridgeshire North West | East of England | 39 | 0.04% | |
| 4. | Peterborough | East of England | 118 | 0.14% | |
| 5. | Chelsea and Fulham | London | 152 | 0.16% | |
| 6. | Middlesbrough South and Cleveland East | North East | 214 | 0.28% | |
| 7. | Forest of Dean | South West | 278 | 0.29% | |
| 8. | Derbyshire Dales | East Midlands | 350 | 0.34% | |
| 9. | Sittingbourne and Sheppey | South East | 355 | 0.43% | |
| 10. | Ilford North | London | 528 | 0.56% | |
| 11. | Somerset North | South West | 639 | 0.59% | |
| 12. | Aylesbury | South East | 630 | 0.63% | |
| 13. | Uxbridge and Ruislip South | London | 587 | 0.64% | |
| 14. | Norfolk South West | East of England | 630 | 0.71% | |
| 15. | Dunstable and Leighton Buzzard | East of England | 667 | 0.72% | |
| 16. | Stoke-on-Trent South | West Midlands | 627 | 0.77% | |
| 17. | Ribble Valley | North West | 856 | 0.82% | |
| 18. | Lichfield | West Midlands | 810 | 0.82% | |
| 19. | Bracknell | South East | 784 | 0.89% | |
| 20. | Earley and Woodley | South East | 848 | 0.92% | |
| 21. | Redditch | West Midlands | 789 | 0.93% | |
| 22. | Portsmouth North | South East | 780 | 0.94% | |
| 23. | Bradford West | Yorkshire and the Humber | 707 | 0.95% | |
| 24. | Birmingham Yardley | West Midlands | 693 | 0.96% | |
| 25. | Pendle and Clitheroe | North West | 902 | 0.96% | |
| 26. | Leicestershire North West | East Midlands | 1,012 | 1.04% | |
| 27. | Dorset South | South West | 1,048 | 1.07% | |
| 28. | Suffolk Coastal | East of England | 1,070 | 1.08% | |
| 29. | Rother Valley | Yorkshire and the Humber | 998 | 1.20% | |
| 30. | Dartford | South East | 1,192 | 1.34% | |
| 31. | Stirling and Strathallan | Scotland | 1,394 | 1.40% | |
| 32. | Bury St Edmunds and Stowmarket | East of England | 1,452 | 1.43% | |
| 33. | Clwyd North | Wales | 1,196 | 1.44% | |
| 34. | Reading West and Mid Berkshire | South East | 1,361 | 1.46% | |
| 35. | Tamworth | West Midlands | 1,382 | 1.58% | |
| 36. | Bethnal Green and Stepney | London | 1,689 | 1.81% | |
| 37. | Rochdale | North West | 1,440 | 1.81% | |
| 38. | Hertfordshire North East | East of England | 1,923 | 1.83% | |
| 39. | Llanelli | Wales | 1,504 | 1.85% | |
| 40. | Ashford | South East | 1,779 | 1.89% | |
| 41. | Derbyshire North East | East Midlands | 1,753 | 1.91% | |
| 42. | Cornwall South East | South West | 1,911 | 1.94% | |
| 43. | Derbyshire Mid | East Midlands | 1,878 | 1.98% | |
| 44. | Pembrokeshire Mid and South | Wales | 1,878 | 2.01% | |
| 45. | Southend West and Leigh | East of England | 1,949 | 2.07% | |
| 46. | Birmingham Hodge Hill and Solihull North | West Midlands | 1,566 | 2.29% | |
| 47. | Hyndburn | North West | 1,687 | 2.32% | |
| 48. | Lowestoft | East of England | 2,016 | 2.41% | |
| 49. | Bexleyheath and Crayford | London | 2,114 | 2.43% | |
| 50. | Chatham and Aylesford | South East | 1,998 | 2.45% | |
| 51. | Burton and Uttoxeter | West Midlands | 2,266 | 2.48% | |
| 52. | Buckingham and Bletchley | South East | 2,421 | 2.54% | |
| 53. | St Austell and Newquay | South West | 2,470 | 2.64% | |
| 54. | Dudley | West Midlands | 1,900 | 2.65% | |
| 55. | Warwickshire North and Bedworth | West Midlands | 2,198 | 2.68% | |
| 56. | Darlington | North East | 2,298 | 2.71% | |
| 57. | Norfolk South | East of England | 2,826 | 2.85% | |
| 58. | Chipping Barnet | London | 2,914 | 2.86% | |
| 59. | Harlow | East of England | 2,504 | 2.89% | |
| 60. | Doncaster East and the Isle of Axholme | Yorkshire and the Humber | 2,311 | 2.95% | |
| 61. | Gravesham | South East | 2,712 | 3.14% | |
| 62. | Monmouthshire | Wales | 3,338 | 3.28% | |
| 63. | Congleton | North West | 3,387 | 3.38% | |
| 64. | Banbury | South East | 3,256 | 3.38% | |
| 65. | Rochester and Strood | South East | 2,930 | 3.44% | |
| 66. | Cities of London and Westminster | London | 2,708 | 3.45% | |
| 67. | Kensington and Bayswater | London | 2,903 | 3.46% | |
| 68. | Hexham | North East | 3,713 | 3.58% | |
| 69. | Cannock Chase | West Midlands | 3,125 | 3.64% | |
| 70. | Gloucester | South West | 3,431 | 3.75% | |
| 71. | Kettering | East Midlands | 3,820 | 3.80% | |
| 72. | Stourbridge | West Midlands | 3,073 | 3.85% | |
| 73. | Worthing West | South East | 3,949 | 3.87% | |
| 74. | Welwyn Hatfield | East of England | 3,799 | 3.92% | |
| 75. | Livingston | Scotland | 3,528 | 3.93% | |
| 76. | Altrincham and Sale West | North West | 4,174 | 4.06% | |
| 77. | Edinburgh East and Musselburgh | Scotland | 3,715 | 4.08% | |
| 78. | Glenrothes and Mid Fife | Scotland | 2,954 | 4.09% | |
| 79. | Bournemouth West | South West | 3,224 | 4.09% | |
| 80. | Amber Valley | East Midlands | 3,554 | 4.18% | |
| 81. | Ayrshire North and Arran | Scotland | 3,551 | 4.20% | |
| 82. | Slough | South East | 3,647 | 4.21% | |
| 83. | Nuneaton | West Midlands | 3,479 | 4.22% | |
| 84. | Mansfield | East Midlands | 3,485 | 4.24% | |
| 85. | Burnley | North West | 3,420 | 4.31% | |
| 86. | Folkestone and Hythe | South East | 3,729 | 4.31% | |
| 87. | Redcar | North East | 3,323 | 4.35% | |
| 88. | Hertford and Stortford | East of England | 4,748 | 4.40% | |
| 89. | Montgomeryshire and Glyndwr | Wales | 3,815 | 4.41% | |
| 90. | Rugby | West Midlands | 4,428 | 4.52% | |
| 91. | Scunthorpe | Yorkshire and the Humber | 3,542 | 4.54% | |
| 92. | Derbyshire South | East Midlands | 4,168 | 4.56% | |
| 93. | Brent West | London | 3,793 | 4.58% | |
| 94. | Vale of Glamorgan | Wales | 4,216 | 4.60% | |
| 95. | Glasgow South West | Scotland | 3,285 | 4.60% | |
| 96. | Isle of Wight West | South East | 3,177 | 4.63% | |
| 97. | Northampton South | East Midlands | 4,071 | 4.64% | |
| 98. | Swindon North | South West | 4,103 | 4.65% | |
| 99. | Finchley and Golders Green | London | 4,581 | 4.65% | |
| 100. | Birmingham Ladywood | West Midlands | 3,421 | 4.68% | |
| 101. | Gillingham and Rainham | South East | 3,972 | 4.83% | |
| 102. | Clwyd East | Wales | 4,622 | 4.83% | |
| 103. | Glasgow South | Scotland | 4,154 | 4.90% | |
| 104. | Stafford | West Midlands | 4,595 | 4.99% | |
| 105. | Cumbernauld and Kirkintilloch | Scotland | 4,144 | 5.06% | |
| 106. | Ayr, Carrick and Cumnock | Scotland | 4,154 | 5.07% | |
| 107. | Southend East and Rochford | East of England | 4,027 | 5.08% | |
| 108. | Glasgow North | Scotland | 3,539 | 5.09% | |
| 109. | Wycombe | South East | 4,591 | 5.14% | |
| 110. | Ossett and Denby Dale | Yorkshire and the Humber | 4,542 | 5.18% | |
| 111. | Northumberland North | North East | 5,067 | 5.19% | |
| 112. | Weston-Super-Mare | South West | 4,409 | 5.20% | |
| 113. | Somerset North East and Hanham | South West | 5,319 | 5.20% | |
| 114. | Watford | East of England | 4,723 | 5.31% | |
| 115. | Tipton and Wednesbury | West Midlands | 3,385 | 5.31% | |
| 116. | Penrith and Solway | North West | 5,257 | 5.33% | |
| 117. | Glasgow East | Scotland | 3,784 | 5.34% | |
| 118. | Colne Valley | Yorkshire and the Humber | 4,963 | 5.37% | |
| 119. | Hemel Hempstead | East of England | 4,857 | 5.51% | |
| 120. | Bolton West | North West | 4,945 | 5.54% | |
| 121. | Blackpool North and Fleetwood | North West | 4,647 | 5.56% | |
| 122. | Sherwood Forest | East Midlands | 5,443 | 5.59% | |
| 123. | Huddersfield | Yorkshire and the Humber | 4,533 | 5.64% | |
| 124. | Carlisle | North West | 5,200 | 5.65% | |
| 125. | Halesowen | West Midlands | 4,364 | 5.66% | |
| 126. | Crawley | South East | 5,235 | 5.73% | |
| 127. | Aldershot | South East | 5,683 | 5.85% | |
| 128. | Falkirk | Scotland | 4,996 | 5.86% | |
| 129. | Loughborough | East Midlands | 4,960 | 5.87% | |
| 130. | Bangor Aberconwy | Wales | 4,896 | 5.88% | |
| 131. | Milton Keynes North | South East | 5,430 | 5.91% | |
| 132. | Kilmarnock and Loudoun | Scotland | 5,119 | 6.03% | |
| 133. | Morecambe and Lunesdale | North West | 5,815 | 6.05% | |
| 134. | Bournemouth East | South West | 5,479 | 6.10% | |
| 135. | Scarborough and Whitby | Yorkshire and the Humber | 5,408 | 6.11% | |
| 136. | Wellingborough and Rushden | East Midlands | 5,486 | 6.24% | |
| 137. | Barrow and Furness | North West | 5,324 | 6.30% | |
| 138. | Rossendale and Darwen | North West | 5,628 | 6.31% | |
| 139. | Corby and Northamptonshire East | East Midlands | 6,331 | 6.38% | |
| 140. | Newcastle-under-Lyme | West Midlands | 5,069 | 6.40% | |
| 141. | Southport | North West | 5,789 | 6.42% | |
| 142. | Bassetlaw | East Midlands | 5,768 | 6.43% | |
| 143. | Rushcliffe | East Midlands | 7,426 | 6.43% | |
| 144. | Oldham West, Chadderton and Royton | North West | 4,976 | 6.45% | |
| 145. | Plymouth Moor View | South West | 5,604 | 6.54% | |
| 146. | Great Grimsby and Cleethorpes | Yorkshire and the Humber | 4,803 | 6.56% | |
| 147. | Hull East | Yorkshire and the Humber | 3,920 | 6.57% | |
| 148. | Walsall and Bloxwich | West Midlands | 4,914 | 6.61% | |
| 149. | Preston | North West | 5,291 | 6.61% | |
| 150. | Basingstoke | South East | 6,484 | 6.62% | |
| 151. | Bradford South | Yorkshire and the Humber | 4,392 | 6.65% | |
| 152. | Makerfield | North West | 5,399 | 6.70% | |
| 153. | Barnsley South | Yorkshire and the Humber | 4,748 | 6.77% | |
| 154. | Birmingham Hall Green and Moseley | West Midlands | 5,656 | 6.80% | |
| 155. | Glasgow North East | Scotland | 4,637 | 6.80% | |
| 156. | Edinburgh South West | Scotland | 6,217 | 6.81% | |
| 157. | Erewash | East Midlands | 5,859 | 6.81% | |
| 158. | Hitchin | East of England | 7,109 | 6.90% | |
| 159. | South Ribble | North West | 6,501 | 6.96% | |
| 160. | Stoke-on-Trent North | West Midlands | 5,082 | 7.03% | |
| 161. | Durham North | North East | 5,873 | 7.06% | |
| 162. | Birmingham Northfield | West Midlands | 5,389 | 7.16% | |
| 163. | Bristol East | South West | 6,606 | 7.16% | |
| 164. | Harrow West | London | 6,642 | 7.34% | |
| 165. | Edinburgh North and Leith | Scotland | 7,268 | 7.35% | |
| 166. | Wrexham | Wales | 5,948 | 7.37% | |
| 167. | Alloa and Grangemouth | Scotland | 6,122 | 7.43% | |
| 168. | Rotherham | Yorkshire and the Humber | 5,490 | 7.43% | |
| 169. | Bolsover | East Midlands | 6,323 | 7.45% | |
| 170. | Spen Valley | Yorkshire and the Humber | 6,188 | 7.54% | |
| 171. | Dunbartonshire West | Scotland | 6,010 | 7.59% | |
| 172. | Sunderland Central | North East | 6,073 | 7.60% | |
| 173. | Paisley and Renfrewshire North | Scotland | 6,333 | 7.63% | |
| 174. | Bury North | North West | 6,944 | 7.63% | |
| 175. | Milton Keynes Central | South East | 7,291 | 7.64% | |
| 176. | Bolton North East | North West | 6,653 | 7.67% | |
| 177. | Worcester | West Midlands | 7,116 | 7.73% | |
| 178. | Stevenage | East of England | 6,618 | 7.75% | |
| 179. | Halifax | Yorkshire and the Humber | 6,269 | 7.79% | |
| 180. | Croydon East | London | 6,825 | 7.79% | |
| 181. | Cardiff West | Wales | 7,019 | 7.84% | |
| 182. | Inverclyde and Renfrewshire West | Scotland | 6,371 | 7.89% | |
| 183. | Paisley and Renfrewshire South | Scotland | 6,527 | 7.91% | |
| 184. | Oldham East and Saddleworth | North West | 6,357 | 7.93% | |
| 185. | Sheffield Hallam | Yorkshire and the Humber | 8,189 | 7.93% | |
| 186. | Dover and Deal | South East | 7,585 | 7.94% | |
| 187. | Southampton Itchen | South East | 6,105 | 8.02% | |
| 188. | Derby South | East Midlands | 6,002 | 8.02% | |
| 189. | High Peak | East Midlands | 7,908 | 8.04% | |
| 190. | Glasgow West | Scotland | 6,446 | 8.08% | |
| 191. | Truro and Falmouth | South West | 8,151 | 8.11% | |
| 192. | Wolverhampton North East | West Midlands | 5,422 | 8.14% | |
| 193. | Thanet East | South East | 6,971 | 8.16% | |
| 194. | Camborne and Redruth | South West | 7,806 | 8.17% | |
| 195. | Coatbridge and Bellshill | Scotland | 6,344 | 8.19% | |
| 196. | Heywood and Middleton North | North West | 6,082 | 8.19% | |
| 197. | Bishop Auckland | North East | 6,672 | 8.25% | |
| 198. | Neath and Swansea East | Wales | 6,627 | 8.26% | |
| 199. | Ayrshire Central | Scotland | 6,869 | 8.29% | |
| 200. | Bradford East | Yorkshire and the Humber | 6,189 | 8.31% | |
| 201. | Ilford South | London | 6,894 | 8.37% | |
| 202. | Renfrewshire East | Scotland | 8,421 | 8.38% | |
| 203. | Caerphilly | Wales | 6,419 | 8.39% | |
| 204. | Ipswich | East of England | 7,403 | 8.40% | |
| 205. | Thurrock | East of England | 6,474 | 8.62% | |
| 206. | Macclesfield | North West | 9,120 | 8.64% | |
| 207. | Broxtowe | East Midlands | 8,403 | 8.78% | |
| 208. | Bristol South | South West | 7,666 | 8.83% | |
| 209. | Cowdenbeath and Kirkcaldy | Scotland | 7,248 | 8.88% | |
| 210. | Shipley | Yorkshire and the Humber | 8,603 | 8.91% | |
| 211. | Luton South and Bedfordshire South | East of England | 6,858 | 8.93% | |
| 212. | Houghton and Sunderland South | North East | 7,169 | 8.95% | |
| 213. | Wolverhampton West | West Midlands | 7,868 | 9.01% | |
| 214. | South Shields | North East | 6,653 | 9.03% | |
| 215. | Calder Valley | Yorkshire and the Humber | 8,991 | 9.06% | |
| 216. | Motherwell, Wishaw and Carluke | Scotland | 7,085 | 9.08% | |
| 217. | Stoke-on-Trent Central | West Midlands | 6,409 | 9.08% | |
| 218. | Bolton South and Walkden | North West | 6,743 | 9.13% | |
| 219. | Canterbury | South East | 8,653 | 9.16% | |
| 220. | Normanton and Hemsworth | Yorkshire and the Humber | 6,662 | 9.16% | |
| 221. | Colchester | East of England | 8,250 | 9.19% | |
| 222. | York Outer | Yorkshire and the Humber | 9,391 | 9.19% | |
| 223. | Pontefract, Castleford and Knottingley | Yorkshire and the Humber | 6,630 | 9.22% | |
| 224. | Dagenham and Rainham | London | 7,173 | 9.23% | |
| 225. | Midlothian | Scotland | 8,167 | 9.25% | |
| 226. | Eltham and Chislehurst | London | 8,429 | 9.25% | |
| 227. | Dunfermline and Dollar | Scotland | 8,241 | 9.25% | |
| 228. | Washington and Gateshead South | North East | 6,913 | 9.34% | |
| 229. | Hastings and Rye | South East | 8,653 | 9.41% | |
| 230. | Easington | North East | 6,542 | 9.53% | |
| 231. | Ashton-under-Lyne | North West | 6,791 | 9.58% | |
| 232. | Luton North | East of England | 7,510 | 9.69% | |
| 233. | East Kilbride and Strathaven | Scotland | 9,057 | 9.70% | |
| 234. | Worthing East and Shoreham | South East | 9,519 | 9.70% | |
| 235. | Blackpool South | North West | 6,848 | 9.73% | |
| 236. | Bathgate and Linlithgow | Scotland | 8,323 | 9.89% | |
| 237. | Filton and Bradley Stoke | South West | 10,000 | 9.93% | |
| 238. | Penistone and Stocksbridge | Yorkshire and the Humber | 8,739 | 9.94% | |
| 239. | Telford | West Midlands | 8,102 | 9.95% | |
| 240. | Wirral West | North West | 9,998 | 10.01% | |
| 241. | Alyn and Deeside | Wales | 8,794 | 10.13% | |
| 242. | Rawmarsh and Conisbrough | Yorkshire and the Humber | 6,908 | 10.19% | |
| 243. | Feltham and Heston | London | 7,944 | 10.21% | |
| 244. | Torfaen | Wales | 7,322 | 10.25% | |
| 245. | Airdrie and Shotts | Scotland | 7,547 | 10.29% | |
| 246. | Crewe and Nantwich | North West | 9,727 | 10.30% | |
| 247. | Stroud | South West | 11,388 | 10.31% | |
| 248. | Rutherglen | Scotland | 8,767 | 10.32% | |
| 249. | Bermondsey and Old Southwark | London | 7,787 | 10.35% | |
| 250. | Selby | Yorkshire and the Humber | 10,195 | 10.36% | |
| 251. | Birmingham Erdington | West Midlands | 7,019 | 10.38% | |
| 252. | Bridgend | Wales | 8,595 | 10.39% | |
| 253. | Lincoln | East Midlands | 8,793 | 10.43% | |
| 254. | Leeds South West and Morley | Yorkshire and the Humber | 8,423 | 10.47% | |
| 255. | Newport West and Islwyn | Wales | 8,868 | 10.57% | |
| 256. | Merthyr Tydfil and Aberdare | Wales | 7,447 | 10.57% | |
| 257. | Barnsley North | Yorkshire and the Humber | 7,811 | 10.59% | |
| 258. | Stockton North | North East | 7,939 | 10.61% | |
| 259. | Pontypridd | Wales | 8,402 | 10.67% | |
| 260. | Swindon South | South West | 9,606 | 10.72% | |
| 261. | Cheshire Mid | North West | 8,927 | 10.75% | |
| 262. | Lancaster and Wyre | North West | 9,253 | 10.76% | |
| 263. | Northampton North | East Midlands | 9,014 | 10.78% | |
| 264. | Leigh and Atherton | North West | 8,881 | 10.79% | |
| 265. | Hartlepool | North East | 7,698 | 10.84% | |
| 266. | Brentford and Isleworth | London | 9,824 | 10.85% | |
| 267. | Rhondda and Ogmore | Wales | 7,790 | 10.88% | |
| 268. | Derby North | East Midlands | 8,915 | 10.89% | |
| 269. | Shrewsbury | West Midlands | 11,355 | 11.01% | |
| 270. | Bury South | North West | 9,361 | 11.09% | |
| 271. | Newton Aycliffe and Spennymoor | North East | 8,839 | 11.09% | |
| 272. | Birmingham Edgbaston | West Midlands | 8,368 | 11.18% | |
| 273. | Hamilton and Clyde Valley | Scotland | 9,472 | 11.25% | |
| 274. | Blyth and Ashington | North East | 9,173 | 11.35% | |
| 275. | Warrington South | North West | 11,340 | 11.41% | |
| 276. | Stalybridge and Hyde | North West | 8,539 | 11.47% | |
| 277. | Warrington North | North West | 9,190 | 11.48% | |
| 278. | Wakefield and Rothwell | Yorkshire and the Humber | 9,346 | 11.49% | |
| 279. | Bedford | East of England | 9,430 | 11.60% | |
| 280. | Cardiff East | Wales | 9,097 | 11.63% | |
| 281. | Wigan | North West | 9,549 | 11.67% | |
| 282. | Newport East | Wales | 9,009 | 11.69% | |
| 283. | Hull West and Haltemprice | Yorkshire and the Humber | 8,979 | 11.76% | |
| 284. | Cardiff North | Wales | 11,207 | 11.80% | |
| 285. | Norwich North | East of England | 10,850 | 11.85% | |
| 286. | Brighton Kemptown and Peacehaven | South East | 9,663 | 11.88% | |
| 287. | Coventry South | West Midlands | 10,201 | 11.94% | |
| 288. | Swansea West | Wales | 8,515 | 11.94% | |
| 289. | Leeds North West | Yorkshire and the Humber | 11,896 | 11.95% | |
| 290. | Gateshead Central and Whickham | North East | 9,644 | 11.99% | |
| 291. | Gedling | East Midlands | 11,881 | 12.19% | |
| 292. | Jarrow and Gateshead East | North East | 8,964 | 12.20% | |
| 293. | Gower | Wales | 11,567 | 12.25% | |
| 294. | Beckenham and Penge | London | 12,905 | 12.36% | |
| 295. | Leicester West | East Midlands | 8,777 | 12.40% | |
| 296. | Doncaster Central | Yorkshire and the Humber | 9,551 | 12.59% | |
| 297. | Warwick and Leamington | West Midlands | 12,412 | 12.61% | |
| 298. | Putney | London | 12,488 | 12.67% | |
| 299. | West Ham and Beckton | London | 9,254 | 12.73% | |
| 300. | Battersea | London | 12,039 | 12.79% | |
| 301. | Chesterfield | East Midlands | 10,820 | 13.02% | |
| 302. | Sheffield Central | Yorkshire and the Humber | 8,286 | 13.03% | |
| 303. | Southampton Test | South East | 9,333 | 13.03% | |
| 304. | Worsley and Eccles | North West | 11,091 | 13.04% | |
| 305. | West Bromwich | West Midlands | 9,554 | 13.09% | |
| 306. | Cambridge | East of England | 11,078 | 13.16% | |
| 307. | Blaydon and Consett | North East | 11,153 | 13.21% | |
| 308. | Chester North and Neston | North West | 11,870 | 13.28% | |
| 309. | Coventry North West | West Midlands | 11,174 | 13.29% | |
| 310. | Bristol North East | South West | 11,167 | 13.30% | |
| 311. | Leeds Central and Headingley | Yorkshire and the Humber | 8,422 | 13.33% | |
| 312. | Middlesbrough and Thornaby East | North East | 9,192 | 13.36% | |
| 313. | Newcastle upon Tyne Central and West | North East | 11,060 | 13.37% | |
| 314. | Stratford and Bow | London | 11,634 | 13.39% | |
| 315. | Nottingham North and Kimberley | East Midlands | 9,427 | 13.46% | |
| 316. | Wolverhampton South East | West Midlands | 9,188 | 13.76% | |
| 317. | East Lothian | Scotland | 13,265 | 13.79% | |
| 318. | Reading Central | South East | 12,637 | 13.95% | |
| 319. | Hull North and Cottingham | Yorkshire and the Humber | 10,679 | 13.97% | |
| 320. | Cramlington and Killingworth | North East | 12,820 | 14.12% | |
| 321. | Na h-Eileanan an Iar (Western Isles) | Scotland | 3,836 | 14.18% | |
| 322. | Manchester Rusholme | North West | 8,235 | 14.18% | |
| 323. | Leeds East | Yorkshire and the Humber | 11,265 | 14.30% | |
| 324. | Durham, City of | North East | 11,757 | 14.47% | |
| 325. | Ealing North | London | 12,519 | 14.48% | |
| 326. | Aberafan Maesteg | Wales | 10,354 | 14.48% | |
| 327. | Poplar and Limehouse | London | 12,560 | 14.59% | |
| 328. | Enfield North | London | 12,736 | 14.64% | |
| 329. | Ealing Central and Acton | London | 13,995 | 14.65% | |
| 330. | Norwich South | East of England | 13,239 | 14.68% | |
| 331. | Doncaster North | Yorkshire and the Humber | 9,126 | 14.72% | |
| 332. | Exeter | South West | 11,937 | 14.85% | |
| 333. | Holborn and St Pancras | London | 11,572 | 14.99% | |
| 334. | Birmingham Selly Oak | West Midlands | 11,537 | 15.01% | |
| 335. | Cardiff South and Penarth | Wales | 11,767 | 15.02% | |
| 336. | St Helens North | North West | 12,169 | 15.03% | |
| 337. | Newcastle upon Tyne East and Wallsend | North East | 12,817 | 15.14% | |
| 338. | Barking | London | 11,054 | 15.15% | |
| 339. | Edmonton and Winchmore Hill | London | 12,632 | 15.39% | |
| 340. | Lancashire West | North West | 13,625 | 15.41% | |
| 341. | Hampstead and Highgate | London | 14,970 | 15.42% | |
| 342. | Nottingham South | East Midlands | 10,294 | 15.65% | |
| 343. | Hayes and Harlington | London | 12,031 | 15.70% | |
| 344. | Coventry East | West Midlands | 11,623 | 15.70% | |
| 345. | St Helens South and Whiston | North West | 11,945 | 15.70% | |
| 346. | Plymouth Sutton and Devonport | South West | 13,328 | 15.83% | |
| 347. | Whitehaven and Workington | North West | 13,286 | 15.88% | |
| 348. | Smethwick | West Midlands | 11,188 | 15.93% | |
| 349. | Tynemouth | North East | 15,455 | 15.96% | |
| 350. | Leyton and Wanstead | London | 13,964 | 15.97% | |
| 351. | Birkenhead | North West | 13,798 | 15.99% | |
| 352. | Leeds West and Pudsey | Yorkshire and the Humber | 12,392 | 16.10% | |
| 353. | Bristol North West | South West | 15,669 | 16.17% | |
| 354. | Blackley and Middleton South | North West | 10,250 | 16.35% | |
| 355. | Hammersmith and Chiswick | London | 15,290 | 16.61% | |
| 356. | Southgate and Wood Green | London | 15,300 | 16.75% | |
| 357. | Manchester Withington | North West | 13,982 | 16.75% | |
| 358. | Ealing Southall | London | 15,793 | 16.87% | |
| 359. | Portsmouth South | South East | 13,155 | 16.90% | |
| 360. | East Ham | London | 12,863 | 16.97% | |
| 361. | Brent East | London | 13,047 | 17.26% | |
| 362. | Manchester Central | North West | 13,797 | 17.37% | |
| 363. | Runcorn and Helsby | North West | 14,696 | 17.40% | |
| 364. | Sheffield South East | Yorkshire and the Humber | 12,458 | 17.41% | |
| 365. | Stockport | North West | 15,270 | 17.48% | |
| 366. | Streatham and Croydon North | London | 15,603 | 17.51% | |
| 367. | Stretford and Urmston | North West | 16,150 | 17.55% | |
| 368. | Hackney South and Shoreditch | London | 14,737 | 17.67% | |
| 369. | Leeds South | Yorkshire and the Humber | 11,279 | 17.80% | |
| 370. | Leeds North East | Yorkshire and the Humber | 16,083 | 17.80% | |
| 371. | Lewisham North | London | 15,782 | 17.87% | |
| 372. | Islington South and Finsbury | London | 15,455 | 18.07% | |
| 373. | Newcastle upon Tyne North | North East | 17,762 | 18.27% | |
| 374. | Gorton and Denton | North West | 13,413 | 18.34% | |
| 375. | Sheffield Brightside and Hillsborough | Yorkshire and the Humber | 11,600 | 18.35% | |
| 376. | Oxford East | South East | 14,465 | 18.38% | |
| 377. | Tooting | London | 19,487 | 18.40% | |
| 378. | Hackney North and Stoke Newington | London | 15,080 | 18.41% | |
| 379. | Edinburgh South | Scotland | 17,251 | 18.42% | |
| 380. | Croydon West | London | 14,226 | 18.66% | |
| 381. | Wythenshawe and Sale East | North West | 14,610 | 18.67% | |
| 382. | Salford | North West | 15,101 | 19.02% | |
| 383. | Hove and Portslade | South East | 19,791 | 19.06% | |
| 384. | Tottenham | London | 15,434 | 19.22% | |
| 385. | Sefton Central | North West | 18,282 | 19.26% | |
| 386. | Queens Park and Maida Vale | London | 14,913 | 19.45% | |
| 387. | Walthamstow | London | 17,996 | 19.62% | |
| 388. | Peckham | London | 15,228 | 19.63% | |
| 389. | Lewisham West and Dulwich East | London | 18,397 | 19.82% | |
| 390. | Sheffield Heeley | Yorkshire and the Humber | 15,304 | 19.90% | |
| 391. | Vauxhall and Camberwell Green | London | 15,112 | 20.13% | |
| 392. | Ellesmere Port and Bromborough | North West | 16,908 | 20.15% | |
| 393. | Erith and Thamesmead | London | 16,302 | 20.19% | |
| 394. | Blaenau Gwent and Rhymney | Wales | 12,183 | 20.36% | |
| 395. | Liverpool Wavertree | North West | 16,304 | 20.47% | |
| 396. | Dulwich and West Norwood | London | 18,789 | 20.70% | |
| 397. | Mitcham and Morden | London | 18,761 | 20.73% | |
| 398. | Nottingham East | East Midlands | 15,162 | 20.83% | |
| 399. | Wallasey | North West | 17,996 | 21.05% | |
| 400. | Clapham and Brixton Hill | London | 18,005 | 21.06% | |
| 401. | Greenwich and Woolwich | London | 18,366 | 21.50% | |
| 402. | Widnes and Halewood | North West | 16,425 | 21.55% | |
| 403. | Hornsey and Friern Barnet | London | 21,475 | 22.07% | |
| 404. | York Central | Yorkshire and the Humber | 19,154 | 22.11% | |
| 405. | Lewisham East | London | 18,073 | 22.24% | |
| 406. | Liverpool Riverside | North West | 14,793 | 22.84% | |
| 407. | Liverpool Garston | North West | 20,104 | 23.94% | |
| 408. | Knowsley | North West | 18,319 | 25.41% | |
| 409. | Liverpool West Derby | North West | 20,423 | 26.87% | |
| 410. | Liverpool Walton | North West | 20,245 | 27.44% | |
| 411. | Bootle | North West | 21,983 | 28.27% |
View Labour target seats for the next general election.
Below is the Labour defence list consisting of Labour held marginal seats for the 2026 Scottish Parliament election. These marginal constituencies are ordered from the smallest to the largest swing to be defeated by the largest opposition party.
View Labour target seats for the next Scottish Parliament election.
(order by percentage majority)
| Rank | Constituency | Region | Majority | Swing to Defeat | |
|---|---|---|---|---|---|
| 1. | Dumbarton | West Scotland | 1,483 | 1.93% | |
| 2. | Edinburgh Southern | Lothian | 4,022 | 4.44% |
View Labour target seats for the next Scottish Parliament election.
Below is the Labour defence list consisting of Labour held marginal seats for the 2026 Senedd election. These marginal constituencies are ordered from the smallest to the largest swing to be defeated by the largest opposition party.
View Labour target seats for the next Senedd election.
(order by percentage majority)
| Rank | Constituency | Region | Majority | Swing to Defeat | |
|---|---|---|---|---|---|
| 1. | Wrexham | North Wales | 1,350 | 2.99% | |
| 2. | Vale of Glamorgan | South Wales Central | 3,270 | 3.81% | |
| 3. | Clwyd South | North Wales | 2,913 | 6.02% | |
| 4. | Newport West | South Wales East | 3,906 | 6.60% | |
| 5. | Bridgend | South Wales West | 4,064 | 6.90% | |
| 6. | Delyn | North Wales | 3,711 | 7.02% | |
| 7. | Gower | South Wales West | 4,795 | 7.23% | |
| 8. | Newport East | South Wales East | 3,584 | 7.74% | |
| 9. | Cardiff North | South Wales Central | 6,593 | 8.11% | |
| 10. | Alyn and Deeside | North Wales | 4,378 | 8.47% | |
| 11. | Caerphilly | South Wales East | 5,078 | 8.78% | |
| 12. | Llanelli | Mid and West Wales | 5,675 | 9.39% | |
| 13. | Neath | South Wales West | 5,221 | 9.47% | |
| 14. | Pontypridd | South Wales Central | 5,328 | 9.67% | |
| 15. | Islwyn | South Wales East | 5,239 | 10.70% | |
| 16. | Torfaen | South Wales East | 5,321 | 11.11% | |
| 17. | Rhondda | South Wales Central | 5,497 | 11.72% | |
| 18. | Aberavon | South Wales West | 5,745 | 12.96% | |
| 19. | Cardiff Central | South Wales Central | 7,640 | 13.39% | |
| 20. | Swansea West | South Wales West | 6,521 | 13.59% | |
| 21. | Cardiff South and Penarth | South Wales Central | 10,606 | 14.57% | |
| 22. | Cardiff West | South Wales Central | 11,211 | 15.34% | |
| 23. | Blaenau Gwent | South Wales East | 6,638 | 15.94% | |
| 24. | Ogmore | South Wales West | 8,165 | 16.67% | |
| 25. | Cynon Valley | South Wales Central | 7,468 | 18.20% | |
| 26. | Merthyr Tydfil and Rhymney | South Wales East | 9,311 | 22.01% | |
| 27. | Swansea East | South Wales West | 9,700 | 22.51% |
View Labour target seats for the next Senedd election.