| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (2) |  | The Haunted Mansion (2004) | £1,564,558 | £3,737,926 | £5,415,853 | -7% | 2 |
| 2 (1) |  | Cheaper By the Dozen (2003) | £1,328,428 | £3,066,473 | £4,883,621 | -27% | 2 |
| 3 (3) |  | School of Rock (2004) | £1,228,971 | £2,822,343 | £7,655,166 | -16% | 3 |
| 4 (5) |  | Looney Tunes: Back In Action (2003) | £969,555 | £2,346,319 | £3,272,766 | 4% | 2 |
| 5 (4) |  | Somethings Gotta Give (2003) | £840,744 | £1,642,527 | £4,780,701 | -30% | 3 |
| 6 (8) |  | Lost In Translation (2003) | £541,169 | £934,314 | £7,869,545 | 22% | 7 |
| 7 (6) |  | Big Fish (2003) | £480,368 | £967,515 | £5,263,917 | -20% | 5 |
| 8 (7) |  | The Lord of the Rings: The Return of the King (2003) | £451,847 | £987,111 | £59,066,064 | -7% | 10 |
| 9 (new) |  | Sex Lives of the Potato Men (2004) | £353,726 | £353,726 | £353,726 | new | 1 |
| 10 (12) | | Tooth (2004) | £304,416 | £827,737 | £1,036,786 | 31% | 2 |
| 11 (11) |  | Cold Mountain (2003) | £275,408 | £569,784 | £8,307,416 | -11% | 9 |
| 12 (10) |  | The Last Samurai (2004) | £189,494 | £392,452 | £11,503,317 | -44% | 7 |
| 13 (9) |  | Scary Movie 3 (2003) | £165,841 | £419,643 | £8,907,831 | -57% | 5 |
| 14 (13) |  | Girl With a Pearl Earring (2004) | £143,146 | £301,217 | £2,711,573 | 9% | 6 |
| 15 (re) |  | Peter Pan (2003) | £105,630 | £105,630 | £9,251,710 | RE | 8 |