| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (new) |  | Closer () | £1,568,526 | £1,568,526 | £1,568,526 | new | 1 |
| 2 (new) |  | Team America: World Police () | £1,526,329 | £1,526,329 | £1,526,329 | new | 1 |
| 3 (1) |  | White Noise () | £1,380,275 | £2,143,978 | £3,931,456 | -23% | 2 |
| 4 (2) |  | The Aviator (2004) | £985,643 | £1,562,071 | £3,107,546 | -25% | 4 |
| 5 (new) |  | Million Dollar Baby (2004) | £803,899 | £803,899 | £803,899 | new | 1 |
| 6 (5) |  | Lemony Snickets: A Series of Unfortunate Events () | £652,408 | £863,191 | £12,163,768 | -33% | 5 |
| 7 (4) |  | The Incredibles (2004) | £599,179 | £790,176 | £31,054,826 | -38% | 9 |
| 8 (6) |  | National Treasure () | £552,816 | £907,610 | £6,614,631 | -41% | 4 |
| 9 (3) |  | Alexander (2004) | £528,785 | £997,090 | £2,197,173 | -56% | 2 |
| 10 (7) |  | Without a Paddle (2004) | £334,419 | £491,072 | £2,155,680 | -33% | 3 |
| 11 (8) |  | The Phantom of the Opera (2004) | £268,691 | £666,139 | £8,375,205 | -46% | 6 |
| 12 (9) |  | House of Flying Daggers () | £231,829 | £465,683 | £3,176,558 | -48% | 4 |
| 13 (new) | | Vanity Fair (2004) | £204,693 | £204,693 | £204,693 | new | 1 |
| 14 (11) |  | Vera Drake (2005) | £194,789 | £376,440 | £642,450 | -27% | 2 |
| 15 (10) |  | The Polar Express () | £169,801 | £215,851 | £9,343,096 | -43% | 7 |