| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (1) |  | Harry Potter and the Prisoner of Azkaban (2004) | £4,391,262 | £7,674,723 | £31,557,411 | -54% | 2 |
| 2 (2) |  | The Day After Tomorrow (2004) | £1,849,730 | £3,478,840 | £18,603,495 | -42% | 3 |
| 3 (3) |  | Troy (2004) | £720,745 | £1,458,937 | £15,410,405 | -43% | 5 |
| 4 (4) |  | Van Helsing (2004) | £182,036 | £336,397 | £14,809,721 | -46% | 6 |
| 5 (new) |  | Connie and Carla (2004) | £155,374 | £155,374 | £155,374 | new | 1 |
| 6 (5) |  | Bad Education (2004) | £72,347 | £143,721 | £905,549 | -39% | 4 |
| 7 (6) | | Hum Tum (2004) | £62,170 | £111,154 | £446,177 | -31% | 3 |
| 8 (7) |  | Eternal Sunshine of the Spotless Mind (2004) | £60,271 | £114,942 | £4,785,734 | -10% | 7 |
| 9 (new) | | I'm Not Scared (2004) | £41,407 | £41,407 | £41,407 | new | 1 |
| 10 (new) |  | Dev (2004) | £40,509 | £40,509 | £40,509 | new | 1 |
| 11 (9) | | Japanese Story (2004) | £33,503 | £62,742 | £100,322 | -11% | 2 |
| 12 (11) |  | Monster (2004) | £31,057 | £57,840 | £2,435,557 | 13% | 11 |
| 13 (8) |  | Scooby-Doo 2: Monsters Unleashed (2004) | £29,465 | £39,647 | £16,372,417 | -45% | 11 |
| 14 (10) |  | Kill Bill Volume 2 (2004) | £22,638 | £44,415 | £9,068,461 | -28% | 8 |
| 15 (13) |  | The Cat In the Hat (2003) | £10,531 | £14,764 | £7,500,297 | -42% | 11 |