| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (new) |  | The Bourne Supremacy (2004) | £2,720,016 | £2,720,016 | £2,720,016 | new | 1 |
| 2 (1) |  | I, Robot (2004) | £2,467,971 | £6,060,115 | £10,805,656 | -48% | 2 |
| 3 (2) |  | 13 Going On 30 (2004) | £690,377 | £1,858,358 | £3,042,631 | -42% | 2 |
| 4 (5) |  | Garfield (2004) | £663,007 | £1,905,114 | £5,268,563 | -11% | 3 |
| 5 (new) |  | Catwoman (2004) | £557,583 | £557,583 | £557,583 | new | 1 |
| 6 (4) |  | Spider-Man 2 (2004) | £543,773 | £1,474,488 | £24,550,354 | -30% | 5 |
| 7 (3) |  | King Arthur (2004) | £522,713 | £1,426,664 | £5,521,426 | -33% | 3 |
| 8 (6) |  | Shrek 2 (2004) | £501,947 | £1,442,348 | £45,531,523 | -21% | 7 |
| 9 (7) |  | The Stepford Wives (2004) | £321,088 | £918,269 | £3,280,180 | -32% | 3 |
| 10 (8) |  | Thunderbirds (2004) | £216,591 | £651,399 | £4,416,618 | -26% | 4 |
| 11 (10) | | Home On the Range (2004) | £171,277 | £571,782 | £770,008 | -14% | 2 |
| 12 (9) |  | Fahrenheit 9/11 (2004) | £168,821 | £419,923 | £5,770,843 | -24% | 6 |
| 13 (new) |  | Yu-Gi-Oh: The Movie (2004) | £112,980 | £112,980 | £112,980 | new | 1 |
| 14 (new) | | Kyun Ho Gaya Na (2004) | £96,009 | £96,009 | £96,009 | new | 1 |
| 15 (12) |  | Harry Potter and the Prisoner of Azkaban (2004) | £60,659 | £168,403 | £45,615,949 | -18% | 11 |