| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (1) |  | Wallace & Gromit: The Curse of the Were-Rabbit (2005) | £3,593,266 | £9,152,751 | £25,840,863 | -23% | 3 |
| 2 (2) |  | Nanny Mcphee (2005) | £3,079,722 | £7,224,270 | £9,828,104 | 15% | 2 |
| 3 (new) |  | Saw II (2005) | £2,189,212 | £2,189,212 | £2,189,212 | new | 1 |
| 4 (new) |  | The Legend of Zorro (2005) | £1,899,689 | £1,899,689 | £1,899,689 | new | 1 |
| 5 (3) |  | Corpse Bride (2005) | £928,729 | £2,033,754 | £3,184,218 | -19% | 2 |
| 6 (4) |  | Sky High (2005) | £371,851 | £1,029,627 | £1,676,196 | -42% | 2 |
| 7 (7) | | Broken Flowers (2005) | £323,937 | £577,828 | £973,708 | -18% | 2 |
| 8 (5) |  | Into the Blue (2005) | £306,814 | £658,348 | £1,168,671 | -40% | 2 |
| 9 (6) |  | Lord of War (2005) | £244,018 | £509,406 | £2,046,505 | -47% | 3 |
| 10 (8) |  | Pride and Prejudice (2005) | £205,747 | £541,946 | £14,013,588 | -37% | 7 |
| 11 (9) |  | Kinky Boots (2005) | £187,084 | £465,745 | £2,588,087 | -42% | 4 |
| 12 (14) |  | Dreamer: Inspirede By a True Story (2005) | £129,196 | £390,612 | £539,670 | -13% | 2 |
| 13 (11) |  | Serenity (2005) | £94,940 | £231,142 | £2,590,950 | -57% | 4 |
| 14 (12) |  | Oliver Twist (2005) | £93,507 | £307,684 | £2,336,011 | -54% | 4 |
| 15 (10) |  | Domino (2005) | £71,545 | £221,788 | £1,206,879 | -71% | 3 |