| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (new) |  | Jumper (2008) | £3,068,803 | £3,068,803 | £3,068,803 | new | 1 |
| 2 (1) |  | National Treasure: Book of Secrets (2008) | £1,493,844 | £3,195,693 | £5,678,990 | -40% | 2 |
| 3 (2) |  | Juno (2007) | £1,344,284 | £2,843,257 | £4,845,377 | -33% | 2 |
| 4 (5) |  | The Water Horse: Legend of the Deep (2008) | £791,015 | £1,646,362 | £2,406,702 | 4% | 2 |
| 5 (3) |  | Cloverfield (2008) | £709,327 | £1,685,015 | £8,389,436 | -57% | 3 |
| 6 (new) |  | The Bucket List (2008) | £602,248 | £602,248 | £602,248 | new | 1 |
| 7 (11) |  | There Will Be Blood (2008) | £540,472 | £673,478 | £888,968 | 60% | 2 |
| 8 (6) |  | Definitely, Maybe (2008) | £507,860 | £1,242,713 | £1,940,754 | -27% | 2 |
| 9 (8) |  | Penelope (2008) | £393,495 | £901,599 | £2,296,364 | -8% | 3 |
| 10 (new) |  | Jodhaa Akbar (2008) | £365,785 | £365,785 | £365,785 | new | 1 |
| 11 (7) |  | Over Her Dead Body (2008) | £353,244 | £873,955 | £2,907,790 | -39% | 3 |
| 12 (10) |  | Alvin and the Chipmunks (2007) | £340,927 | £688,858 | £10,193,434 | 36% | 9 |
| 13 (4) |  | Sweeney Todd: The Demon Barber of Fleet Street (2007) | £338,176 | £858,056 | £10,436,369 | -56% | 4 |
| 14 (9) |  | No Country For Old Men (2008) | £290,403 | £609,109 | £5,365,991 | -29% | 5 |
| 15 (13) |  | Underdog (2008) | £129,695 | £339,101 | £869,375 | -13% | 3 |