| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (new) |  | Sweeney Todd: The Demon Barber of Fleet Street () | £4,525,246 | £4,525,246 | £4,525,246 | new | 1 |
| 2 (1) |  | Aliens Vs. Predator: Requiem (2008) | £954,183 | £1,753,653 | £3,724,016 | -52% | 2 |
| 3 (3) |  | P.S. I Love You (2007) | £924,168 | £1,563,597 | £8,802,716 | -22% | 6 |
| 4 (2) |  | No Country For Old Men () | £828,196 | £1,500,657 | £2,757,840 | -34% | 2 |
| 5 (6) |  | St. Trinian's (2007) | £676,253 | £933,645 | £11,353,732 | -21% | 6 |
| 6 (4) |  | I Am Legend () | £647,662 | £1,057,392 | £24,836,545 | -40% | 5 |
| 7 (7) |  | Alvin and the Chipmunks () | £612,712 | £707,419 | £8,690,573 | -14% | 6 |
| 8 (5) |  | Charlie Wilsons War () | £496,045 | £920,703 | £3,861,637 | -44% | 3 |
| 9 (8) |  | Enchanted () | £452,445 | £583,216 | £16,389,965 | -25% | 7 |
| 10 (new) |  | In the Valley of Elah (2007) | £345,185 | £345,185 | £345,185 | new | 1 |
| 11 (9) |  | The Golden Compass (2007) | £300,648 | £428,926 | £25,771,648 | -35% | 8 |
| 12 (10) |  | Bee Movie () | £228,288 | £255,036 | £8,877,179 | -29% | 7 |
| 13 (11) |  | The Kite Runner () | £198,230 | £417,587 | £2,908,602 | -32% | 5 |
| 14 (12) |  | Dan In Real Life () | £171,183 | £318,135 | £1,469,782 | -40% | 3 |
| 15 (13) |  | Walk Hard the Dewey Cox Story () | £87,413 | £227,476 | £468,309 | -64% | 2 |
| 16 (new) | | Sunday (2008) | £81,238 | £81,238 | £81,238 | new | 1 |
| 17 (new) | | The Savages (2008) | £72,823 | £72,823 | £72,823 | new | 1 |
| 18 (new) | | Yaariyan (2008) | £27,917 | £27,917 | £27,917 | new | 1 |
| 19 (new) | | Lady Godiva () | £4,393 | £4,393 | £4,393 | new | 1 |
| 20 (new) | | The Italian () | £3,511 | £3,511 | £3,511 | new | 1 |
| 21 (new) | | Man In the Chair (2008) | £2,939 | £2,939 | £2,939 | new | 1 |
| 22 (new) |  | Libero (2006) | £1,132 | £1,132 | £1,132 | new | 1 |
| 23 (new) | | Intimate Enemies (2008) | £372 | £372 | £372 | new | 1 |