| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (1) |  | Along Came Polly (2004) | £1,572,126 | £2,485,828 | £4,738,636 | -30% | 2 |
| 2 (new) |  | 21 Grams (2004) | £582,951 | £582,951 | £582,951 | new | 1 |
| 3 (3) |  | School of Rock (2004) | £540,063 | £742,334 | £9,480,653 | -25% | 5 |
| 4 (2) |  | The Haunted Mansion (2004) | £530,449 | £672,169 | £7,194,031 | -28% | 4 |
| 5 (new) |  | Torque (2004) | £503,318 | £503,318 | £503,318 | new | 1 |
| 6 (5) |  | Looney Tunes: Back In Action (2003) | £416,828 | £480,317 | £4,467,748 | -20% | 4 |
| 7 (4) |  | Cheaper By the Dozen (2003) | £414,031 | £537,940 | £6,354,785 | -32% | 4 |
| 8 (7) |  | Somethings Gotta Give (2003) | £365,483 | £654,927 | £6,353,577 | -25% | 5 |
| 9 (8) |  | Lost In Translation (2003) | £345,098 | £585,637 | £9,117,002 | -12% | 9 |
| 10 (9) |  | The Lord of the Rings: The Return of the King (2003) | £343,852 | £538,217 | £60,108,816 | 9% | 12 |
| 11 (6) |  | The Missing (2004) | £342,619 | £614,844 | £1,112,417 | -31% | 2 |
| 12 (new) |  | Uptown Girls (2004) | £304,525 | £304,525 | £304,525 | new | 1 |
| 13 (11) |  | Cold Mountain (2003) | £120,426 | £277,233 | £8,924,982 | -36% | 11 |
| 14 (10) |  | Big Fish (2003) | £107,642 | £214,686 | £5,918,505 | -54% | 7 |
| 15 (14) | | Tooth (2004) | £84,745 | £510,372 | £1,711,431 | -28% | 4 |