The seats between those two limits are the key battleground for the next general election.
More information and a full description of the majority-sorted seat list is here.
| Lab Seats | Con Seats | Seat | MP at 2005 | Electorate | Turn Out% | CON % | LAB % | LIB % | NAT % | MIN % | OTH % | 2005 Win | Pred Win |
| 54 | 524 | Tottenham | David Lammy | 66,231 | 47.8 | 26.06 | 47.56 | 11.79 | 0.00 | 6.36 | 8.23 | LAB | LAB |
| 69 | 509 | West Ham | Lyn Brown | 83,031 | 48.8 | 22.63 | 41.01 | 6.69 | 0.00 | 19.90 | 9.77 | LAB | LAB |
| 71 | 507 | East Ham | Stephen Timms | 82,846 | 50.4 | 25.08 | 43.31 | 7.34 | 0.00 | 20.14 | 4.13 | LAB | LAB |
| 86 | 492 | Hackney South and Shoreditch | Meg Hillier | 60,768 | 49.7 | 27.33 | 43.31 | 15.35 | 0.00 | 0.19 | 13.82 | LAB | LAB |
| 88 | 490 | Islington North | Jeremy Corbyn | 58,427 | 53.9 | 25.21 | 40.81 | 23.91 | 0.00 | 0.00 | 10.07 | LAB | LAB |
| 93 | 485 | Brent Central | Unknown (changed seat) | 71,938 | 54.3 | 27.22 | 41.73 | 23.71 | 0.00 | 0.00 | 7.35 | LAB | LAB |
| 114 | 464 | Hackney North and Stoke Newington | Diane Abbott | 63,309 | 49.6 | 27.71 | 37.69 | 17.16 | 0.00 | 9.07 | 8.36 | LAB | LAB |
| 122 | 456 | Barking | Margaret Hodge | 75,382 | 50.7 | 27.44 | 36.11 | 8.86 | 0.00 | 17.29 | 10.30 | LAB | LAB |
| 123 | 455 | Walthamstow | Neil Gerrard | 63,080 | 54.6 | 31.50 | 39.92 | 21.15 | 0.00 | 0.00 | 7.44 | LAB | LAB |
| 135 | 443 | Edmonton | Andy Love | 61,558 | 59.4 | 40.25 | 45.84 | 7.76 | 0.00 | 0.00 | 6.14 | LAB | LAB |
| 155 | 422 | Hornsey and Wood Green | Lynne Featherstone | 76,622 | 61.8 | 26.04 | 27.91 | 37.40 | 0.00 | 0.00 | 8.65 | LIB | LIB |
| 158 | 419 | Islington South and Finsbury | Emily Thornberry | 57,748 | 53.6 | 28.18 | 29.50 | 32.36 | 0.00 | 0.00 | 9.95 | LAB | LIB |
| 165 | 413 | Holborn and St Pancras | Frank Dobson | 85,188 | 51.4 | 33.86 | 34.16 | 20.10 | 0.00 | 0.00 | 11.88 | LAB | LAB |
| 165 | 412 | Bethnal Green and Bow | George Galloway | 73,280 | 53.3 | 22.82 | 23.07 | 8.43 | 0.00 | 38.17 | 7.51 | MIN | MIN |
| 171 | 407 | Leyton and Wanstead | Harry Cohen | 61,860 | 55.2 | 36.04 | 35.38 | 18.88 | 0.00 | 0.00 | 9.70 | LAB | CON |
| 185 | 393 | Ilford South | Mike Gapes | 79,639 | 53.6 | 40.57 | 38.48 | 14.58 | 0.00 | 0.00 | 6.37 | LAB | CON |
| 195 | 383 | Brent North | Barry Gardiner | 76,103 | 57.6 | 42.40 | 39.03 | 13.49 | 0.00 | 0.00 | 5.09 | LAB | CON |
| 210 | 368 | Dagenham and Rainham | Jon Cruddas | 70,745 | 56.3 | 44.99 | 39.23 | 5.37 | 0.00 | 2.96 | 7.45 | LAB | CON |
| 225 | 353 | Harrow West | Gareth Thomas | 65,853 | 63.5 | 44.19 | 36.38 | 13.60 | 0.00 | 0.00 | 5.83 | LAB | CON |
| 251 | 327 | Hampstead and Kilburn | Unknown (changed seat) | 76,628 | 55.4 | 35.98 | 24.93 | 30.81 | 0.00 | 0.00 | 8.28 | LIB | CON |
| 257 | 321 | Hammersmith | Unknown (changed seat) | 68,198 | 59.9 | 46.50 | 34.70 | 13.12 | 0.00 | 0.00 | 5.67 | LAB | CON |
| 269 | 309 | Poplar and Limehouse | Jim Fitzpatrick | 68,867 | 46.8 | 38.48 | 25.25 | 11.13 | 0.00 | 16.15 | 8.99 | LAB | CON |
| 277 | 301 | Hendon | Andrew Dismore | 68,872 | 58.3 | 49.10 | 34.75 | 9.95 | 0.00 | 0.00 | 6.20 | LAB | CON |
| 284 | 294 | Harrow East | Tony McNulty | 69,502 | 60.5 | 50.69 | 35.41 | 9.81 | 0.00 | 0.00 | 4.09 | LAB | CON |
| 293 | 285 | Westminster North | Karen Buck | 62,463 | 53.0 | 46.49 | 30.11 | 13.78 | 0.00 | 0.00 | 9.62 | LAB | CON |
| 335 | 243 | Enfield North | Unknown (changed seat) | 64,256 | 61.7 | 53.07 | 30.73 | 8.08 | 0.00 | 0.00 | 8.13 | CON | CON |
| 351 | 227 | Finchley and Golders Green | Unknown (changed seat) | 67,315 | 61.8 | 52.61 | 28.92 | 12.05 | 0.00 | 0.00 | 6.42 | CON | CON |
| 354 | 224 | Enfield Southgate | David Burrowes | 63,021 | 65.8 | 55.14 | 30.01 | 8.37 | 0.00 | 0.00 | 6.48 | CON | CON |
| 359 | 219 | Ilford North | Lee Scott | 69,300 | 60.8 | 55.56 | 29.37 | 9.67 | 0.00 | 0.00 | 5.41 | CON | CON |
| 379 | 199 | Chipping Barnet | Theresa Villiers | 71,525 | 63.8 | 57.79 | 23.35 | 10.72 | 0.00 | 0.00 | 8.14 | CON | CON |
| 382 | 196 | Hornchurch and Upminster | Angela Watkinson | 77,165 | 63.2 | 58.05 | 22.79 | 6.19 | 0.00 | 2.98 | 9.99 | CON | CON |
| 411 | 167 | Kensington | Sir Malcolm Rifkind | 61,682 | 51.3 | 57.89 | 18.17 | 13.73 | 0.00 | 0.00 | 10.21 | CON | CON |
| 466 | 112 | Cities of London and Westminster | Mark Field | 63,802 | 50.4 | 60.82 | 15.00 | 13.20 | 0.00 | 0.00 | 10.98 | CON | CON |
| 500 | 78 | Romford | Andrew Rosindell | 67,925 | 62.6 | 68.16 | 18.38 | 5.72 | 0.00 | 0.00 | 7.74 | CON | CON |
| 507 | 71 | Chingford and Woodford Green | Iain Duncan Smith | 61,386 | 63.0 | 65.96 | 15.28 | 12.43 | 0.00 | 0.00 | 6.33 | CON | CON |
| 508 | 70 | Chelsea and Fulham | Unknown (new seat) | 61,741 | 57.7 | 65.70 | 15.01 | 10.40 | 0.00 | 0.00 | 8.89 | CON | CON |
Note that the MP's name given is the person who won the seat in 2005. That person may not necessarily be the candidate for the same party in the next election.