| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (new) |  | Cheaper By the Dozen (2003) | £1,817,148 | £1,817,148 | £1,817,148 | new | 1 |
| 2 (new) |  | The Haunted Mansion (2004) | £1,677,927 | £1,677,927 | £1,677,927 | new | 1 |
| 3 (1) |  | School of Rock (2004) | £1,465,726 | £2,090,467 | £4,832,823 | -47% | 2 |
| 4 (2) |  | Somethings Gotta Give (2003) | £1,203,854 | £1,922,611 | £3,138,174 | -1% | 2 |
| 5 (new) |  | Looney Tunes: Back In Action (2003) | £926,447 | £926,447 | £926,447 | new | 1 |
| 6 (3) |  | Big Fish (2003) | £598,525 | £953,854 | £4,296,402 | -32% | 4 |
| 7 (5) |  | The Lord of the Rings: The Return of the King (2003) | £485,580 | £786,587 | £58,078,953 | -33% | 9 |
| 8 (6) |  | Lost In Translation (2003) | £421,708 | £704,913 | £6,935,231 | -27% | 6 |
| 9 (4) |  | Scary Movie 3 (2003) | £390,098 | £643,219 | £8,488,188 | -51% | 4 |
| 10 (7) |  | The Last Samurai (2004) | £335,960 | £576,236 | £11,110,865 | -32% | 6 |
| 11 (8) |  | Cold Mountain (2003) | £310,702 | £560,807 | £7,737,632 | -19% | 8 |
| 12 (new) | | Tooth (2004) | £209,049 | £209,049 | £209,049 | new | 1 |
| 13 (9) |  | Girl With a Pearl Earring (2004) | £130,458 | £314,749 | £2,410,356 | -37% | 5 |
| 14 (11) |  | LoveActually (2003) | £125,014 | £212,630 | £36,238,777 | 6% | 13 |
| 15 (12) | | The Dreamers (2004) | £94,480 | £167,062 | £284,243 | -19% | 2 |