| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (1) |  | Wimbledon (2004) | £1,499,011 | £2,461,453 | £4,160,549 | -12% | 2 |
| 2 (new) |  | Saw (2004) | £1,239,813 | £1,239,813 | £1,239,813 | new | 1 |
| 3 (new) |  | Layer Cake (2004) | £1,090,561 | £1,090,561 | £1,090,561 | new | 1 |
| 4 (2) |  | Collateral (2004) | £946,223 | £1,658,754 | £6,457,927 | -34% | 3 |
| 5 (3) |  | Hero (2002) | £671,725 | £1,134,808 | £2,140,379 | -33% | 2 |
| 6 (new) |  | Sky Captain and the World of Tomorrow (2004) | £628,808 | £628,808 | £628,808 | new | 1 |
| 7 (4) |  | Dodgeball: A True Underdog Story (2004) | £438,142 | £503,799 | £9,257,369 | -25% | 6 |
| 8 (5) |  | The Terminal (2004) | £253,902 | £488,820 | £6,052,047 | -47% | 5 |
| 9 (7) |  | Cellular (2004) | £220,538 | £455,128 | £882,493 | -48% | 2 |
| 10 (9) |  | Garfield (2004) | £174,270 | £188,812 | £9,352,051 | -2% | 10 |
| 11 (6) |  | Open Water (2004) | £164,165 | £373,243 | £4,818,915 | -63% | 4 |
| 12 (10) |  | A Cinderella Story (2004) | £140,202 | £157,216 | £3,687,578 | -13% | 7 |
| 13 (new) |  | Man About Dog (2004) | £132,606 | £132,606 | £132,606 | new | 1 |
| 14 (new) |  | The Life and Death of Peter Sellers (2004) | £125,748 | £125,748 | £125,748 | new | 1 |
| 15 (new) | | De Lovely (2004) | £117,789 | £117,789 | £117,789 | new | 1 |