| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (new) |  | Mona Lisa Smile (2004) | £1,190,923 | £1,190,923 | £1,190,923 | new | 1 |
| 2 (new) |  | Honey (2003) | £1,064,398 | £1,064,398 | £1,064,398 | new | 1 |
| 3 (1) |  | Along Came Polly (2004) | £880,698 | £1,473,903 | £6,212,539 | -44% | 3 |
| 4 (2) |  | 21 Grams (2004) | £421,291 | £738,680 | £1,321,631 | -28% | 2 |
| 5 (new) |  | Starsky & Hutch (2004) | £412,326 | £412,326 | £412,326 | new | 1 |
| 6 (4) |  | The Haunted Mansion (2004) | £376,565 | £467,741 | £7,661,772 | -29% | 5 |
| 7 (3) |  | School of Rock (2004) | £359,148 | £497,998 | £9,978,651 | -33% | 6 |
| 8 (6) |  | Looney Tunes: Back In Action (2003) | £352,254 | £389,067 | £4,856,815 | -15% | 5 |
| 9 (7) |  | Cheaper By the Dozen (2003) | £260,129 | £336,670 | £6,691,455 | -37% | 5 |
| 10 (new) |  | The Passion of the Christ (2004) | £229,426 | £229,426 | £229,426 | new | 1 |
| 11 (10) |  | The Lord of the Rings: The Return of the King (2003) | £203,433 | £345,471 | £60,454,287 | -41% | 13 |
| 12 (9) |  | Lost In Translation (2003) | £201,853 | £368,717 | £9,485,719 | -42% | 10 |
| 13 (5) |  | Torque (2004) | £186,861 | £395,901 | £899,219 | -63% | 2 |
| 14 (11) |  | The Missing (2004) | £161,528 | £709,233 | £1,821,650 | -53% | 3 |
| 15 (8) |  | Somethings Gotta Give (2003) | £160,744 | £362,152 | £6,715,729 | -56% | 6 |