| ID | PA | Constituency | SSR | AC | Status |
|---|---|---|---|---|---|
| 332 | 569 | Tamworth | 4 | 30 | L gain from T |
| 375 | 570 | Tatton | 2 | 34 | Ind gain from T |
| 26 | 571 | Taunton | 9 | 4 | L/D gain from T |
| 626 | 572 | Tayside N | 11 | 61 | SNP gain from T |
| 11 | 573 | Teignbridge | 9 | 2 | T hold |
| 275 | 574 | Telford | 4 | 25 | L hold |
| 47 | 575 | Tewkesbury | 9 | 7 | T hold |
| 111 | 576 | Thanet N | 7 | 13 | T hold |
| 112 | 577 | Thanet S | 7 | 13 | L gain from T |
| 226 | 578 | Thurrock | 7 | 20 | L hold |
| 14 | 579 | Tiverton & Honiton | 9 | 2 | T hold |
| 98 | 580 | Tonbridge & Malling | 7 | 13 | T hold |
| 153 | 581 | Tooting | 8 | 14 | L hold |
| 10 | 582 | Torbay | 9 | 2 | L/D gain from T |
| 556 | 583 | Torfaen | 10 | 51 | L hold |
| 15 | 191 | Torridge & Devon W | 9 | 2 | L/D gain from T |
| 9 | 584 | Totnes | 9 | 2 | T hold |
| 143 | 585 | Tottenham | 8 | 14 | L hold |
| 3 | 586 | Truro & St. Austell | 9 | 1 | L/D hold |
| 99 | 587 | Tunbridge Wells | 7 | 13 | T hold |
| 573 | 588 | Tweeddale, Ettrick & Lauderdale | 11 | 56 | L/D hold |
| 119 | 589 | Twickenham | 8 | 14 | L/D gain from T |
| 514 | 590 | Tyne Bridge | 1 | 45 | L hold |
| 525 | 591 | Tynemouth | 1 | 45 | L gain from T |
| 524 | 592 | Tyneside N | 1 | 45 | L hold |
| 187 | 595 | Upminster | 8 | 14 | L gain from T |
| 114 | 597 | Uxbridge | 8 | 14 | T hold |
| 566 | 598 | Vale of Clwyd | 10 | 54 | L gain from T |
| 547 | 599 | Vale of Glamorgan | 10 | 50 | L gain from T |
| 490 | 600 | Vale of York | 3 | 41 | T hold |
| 159 | 601 | Vauxhall | 8 | 14 | L hold |
| 455 | 602 | Wakefield | 3 | 39 | L hold |
| 382 | 603 | Wallasey | 2 | 35 | L hold |
| 300 | 604 | Wallsall N | 4 | 26 | L hold |
| 299 | 605 | Wallsall S | 4 | 26 | L hold |
| 178 | 606 | Walthamstow | 8 | 14 | L hold |
| 528 | 607 | Wansbeck | 1 | 46 | L hold |
| 32 | 608 | Wansdyke | 9 | 5 | L gain from T |
| 196 | 609 | Wantage | 7 | 16 | T hold |
| 282 | 610 | Warley | 4 | 26 | L hold |
| 378 | 611 | Warrington N | 2 | 34 | L hold |
| 377 | 612 | Warrington S | 2 | 34 | L gain from T |
| 308 | 613 | Warwick & Leamington | 4 | 27 | L gain from T |
| 311 | 614 | Warwickshire N | 4 | 27 | L hold |
| 210 | 615 | Watford | 7 | 18 | L gain from T |
| 256 | 616 | Waveney | 6 | 22 | L gain from T |
| 83 | 617 | Wealdon | 7 | 11 | T hold |
| 374 | 618 | Weaver Vale | 2 | 34 | L hold |
| 315 | 619 | Wellingborough | 5 | 28 | L gain from T |
| 29 | 620 | Wells | 9 | 4 | T hold |
| 215 | 621 | Welwyn-Hatfield | 7 | 18 | L gain from T |
| 446 | 622 | Wentworth | 3 | 38 | L hold |
| 284 | 623 | West Bromwich E | 4 | 26 | L hold |
| 283 | 624 | West Bromwich W | 4 | 26 | Spk gain from L |
| 44 | 626 | Westbury | 9 | 6 | T hold |
| 641 | 627 | Western Isles | 11 | 65 | L hold |
| 176 | 625 | West Ham | 8 | 14 | L hold |
| 501 | 628 | Westmorland & Lonsdale | 1 | 43 | T hold |
| 30 | 629 | Weston-super-Mare | 9 | 5 | L/D gain from T |
| 396 | 630 | Wigan | 2 | 36 | L hold |
| 40 | 631 | Wiltshire N | 9 | 6 | T hold |
| 150 | 632 | Wimbledon | 8 | 14 | L gain from T |
| 56 | 633 | Winchester | 7 | 8 | L/D gain from T |
| 194 | 634 | Windsor | 7 | 15 | T hold |
| 380 | 635 | Wirral S | 2 | 35 | L gain from T |
| 379 | 636 | Wirral W | 2 | 35 | L gain from T |
| 197 | 637 | Witney | 7 | 16 | T hold |
| 89 | 638 | Woking | 7 | 12 | T hold |
| 191 | 639 | Wokingham | 7 | 15 | T hold |
| 298 | 640 | Wolverhampton NE | 4 | 26 | L hold |
| 297 | 641 | Wolverhampton SE | 4 | 26 | L hold |
| 296 | 642 | Wolverhampton SW | 4 | 26 | L gain from T |
| 33 | 643 | Woodspring | 9 | 5 | T hold |
| 268 | 644 | Worcester | 4 | 24 | L gain from T |
| 269 | 645 | Worcestershire Mid | 4 | 24 | T hold |
| 267 | 646 | Worcestershire W | 4 | 24 | T hold |
| 503 | 647 | Workington | 1 | 43 | L hold |
| 398 | 648 | Worsley | 2 | 36 | L hold |
| 77 | 649 | Worthing E & Shoreham | 7 | 10 | T hold |
| 76 | 650 | Worthing W | 7 | 10 | T hold |
| 276 | 651 | Wrekin; The | 4 | 25 | L gain from T |
| 569 | 652 | Wrexham | 10 | 54 | L hold |
| 202 | 653 | Wycombe | 7 | 17 | T hold |
| 271 | 654 | Wyre Forest | 4 | 24 | L gain from T |
| 418 | 655 | Wythenshawe & Sale E | 2 | 36 | L hold |
| 25 | 656 | Yeovil | 9 | 4 | L/D hold |
| 563 | 657 | Ynys Môn | 10 | 53 | PC hold |
| 487 | 658 | York; City of | 3 | 41 | L hold |
| 481 | 659 | Yorkshire E | 3 | 40 | T hold |