| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (2) |  | The Chronicles of Narnia: The Lion the Witch and the Wardrobe (2005) | £2,843,353 | £7,473,358 | £24,677,956 | -41% | 3 |
| 2 (1) |  | King Kong (2005) | £1,928,032 | £6,393,931 | £13,338,671 | -72% | 2 |
| 3 (3) |  | Harry Potter and the Goblet of Fire (2005) | £593,454 | £1,667,910 | £43,985,620 | -42% | 6 |
| 4 (6) |  | Lassie (2005) | £150,874 | £370,731 | £503,657 | 12% | 2 |
| 5 (new) |  | Dosti Friends Forever (2005) | £146,069 | £146,069 | £146,069 | new | 1 |
| 6 (5) |  | The Family Stone (2005) | £96,268 | £335,238 | £582,753 | -61% | 2 |
| 7 (4) |  | Flightplan (2005) | £89,803 | £310,504 | £5,860,743 | -65% | 5 |
| 8 (7) |  | March of the Penguins (2005) | £50,124 | £174,408 | £600,749 | -60% | 3 |
| 9 (8) |  | The Polar Express (2004) | £36,772 | £63,981 | £10,230,986 | -61% | 9 |
| 10 (9) | | Bluffmaster (2005) | £26,651 | £80,217 | £165,654 | -69% | 2 |
| 11 (10) |  | The Constant Gardener (2005) | £22,551 | £94,143 | £4,511,941 | -73% | 7 |
| 12 (13) |  | Keeping Mum (2005) | £21,871 | £80,696 | £1,681,497 | -65% | 4 |
| 13 (12) |  | Mrs. Henderson Presents (2005) | £21,502 | £121,844 | £2,910,006 | -66% | 5 |
| 14 (17) |  | Nanny Mcphee (2005) | £21,345 | £73,524 | £16,380,121 | -33% | 10 |
| 15 (19) |  | Wallace & Gromit: The Curse of the Were-Rabbit (2005) | £20,649 | £18,152 | £31,943,071 | -11% | 11 |