| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (new) |  | The 40 Year Old Virgin (2005) | £1,757,540 | £1,757,540 | £1,757,540 | new | 1 |
| 2 (new) |  | Red Eye (2005) | £891,582 | £891,582 | £891,582 | new | 1 |
| 3 (2) |  | Charlie and the Chocolate Factory (2005) | £660,671 | £1,795,395 | £35,046,490 | -41% | 6 |
| 4 (1) |  | The Dukes of Hazzard (2005) | £618,448 | £1,639,243 | £3,359,997 | -64% | 2 |
| 5 (new) |  | The Business (2005) | £531,267 | £531,267 | £531,267 | new | 1 |
| 6 (4) |  | Crash (2004) | £414,383 | £918,234 | £4,286,367 | -31% | 4 |
| 7 (3) |  | Bewitched (2005) | £345,473 | £940,457 | £3,801,367 | -46% | 3 |
| 8 (6) |  | Herbie Fully Loaded (2005) | £315,084 | £796,171 | £5,433,678 | -27% | 5 |
| 9 (8) |  | The Adventures of Sharkboy and Lavagirl 3D (2005) | £289,666 | £710,194 | £1,109,630 | -27% | 2 |
| 10 (5) |  | The Cave (2005) | £258,668 | £792,372 | £1,356,133 | -54% | 2 |
| 11 (7) |  | The Island (2005) | £161,468 | £554,434 | £4,875,469 | -62% | 4 |
| 12 (9) |  | Madagascar (2005) | £120,772 | £377,676 | £22,326,031 | -50% | 8 |
| 13 (11) |  | Wedding Crashers (2005) | £73,920 | £259,386 | £13,024,555 | -64% | 8 |
| 14 (14) | | No Entry (2005) | £71,393 | £173,009 | £262,521 | -20% | 2 |
| 15 (10) | | Unleashed (2005) | £63,584 | £270,655 | £1,358,319 | -73% | 3 |