| Constituency | Seats | Lab/SDLP | Con | LD/AP | BNP/TUV | UKIP/DUP | SNP/PC/SF | Green | Oth |
| England | 503 | 147 | 200 | 124 | 8 | 16 | 0 | 5 | 3 |
| Wales | 29 | 11 | 8 | 6 | 0 | 1 | 3 | 0 | 0 |
| Scotland | 51 | 22 | 9 | 10 | 0 | 0 | 10 | 0 | 0 |
| Northern Ireland | 17 | 3 | 2 | 1 | 1 | 4 | 5 | 0 | 1 |
| England | |||||||||
| North East | 25 | 11 | 6 | 6 | 1 | 1 | 0 | 0 | 0 |
| North West | 67 | 27 | 22 | 15 | 1 | 2 | 0 | 0 | 0 |
| Yorkshire & Humberside | 51 | 18 | 17 | 12 | 2 | 1 | 0 | 1 | 0 |
| East Midlands | 43 | 13 | 18 | 9 | 1 | 2 | 0 | 0 | 0 |
| West Midlands | 53 | 17 | 21 | 11 | 1 | 2 | 0 | 0 | 1 |
| East of England | 56 | 11 | 27 | 14 | 1 | 2 | 0 | 1 | 0 |
| London | 75 | 28 | 26 | 17 | 1 | 1 | 0 | 1 | 1 |
| South East | 82 | 14 | 41 | 22 | 0 | 3 | 0 | 1 | 1 |
| South West | 51 | 8 | 22 | 18 | 0 | 2 | 0 | 1 | 0 |