| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (1) |  | Harry Potter and the Goblet of Fire (2005) | £4,829,804 | £7,388,694 | £37,013,286 | -48% | 3 |
| 2 (2) |  | Flightplan (2005) | £1,235,995 | £2,115,565 | £3,809,915 | -27% | 2 |
| 3 (3) |  | The Exorcism of Emily Rose (2005) | £765,601 | £1,362,145 | £2,708,877 | -43% | 2 |
| 4 (new) |  | Keeping Mum (2005) | £645,886 | £645,886 | £645,886 | new | 1 |
| 5 (new) |  | Doom (2005) | £612,087 | £612,087 | £612,087 | new | 1 |
| 6 (4) |  | Mrs. Henderson Presents (2005) | £518,838 | £1,153,758 | £1,906,152 | -31% | 2 |
| 7 (6) |  | The Constant Gardener (2005) | £319,048 | £609,571 | £3,849,690 | -23% | 4 |
| 8 (8) |  | Nanny Mcphee (2005) | £239,270 | £291,634 | £16,161,574 | -35% | 7 |
| 9 (5) |  | Transporter 2 (2005) | £217,304 | £433,526 | £847,926 | -48% | 2 |
| 10 (7) |  | In Her Shoes (2005) | £207,586 | £434,501 | £4,159,836 | -47% | 4 |
| 11 (9) |  | Wallace & Gromit: The Curse of the Were-Rabbit (2005) | £145,730 | £194,415 | £31,775,044 | -43% | 8 |
| 12 (new) | | Where the Truth Lies (2005) | £67,446 | £67,446 | £67,446 | new | 1 |
| 13 (10) |  | Kiss, Kiss! Bang Bang (2005) | £64,034 | £135,052 | £1,443,650 | -40% | 4 |
| 14 (13) | | Deewane Huye Paagal (2005) | £44,611 | £83,633 | £154,697 | -37% | 2 |
| 15 (11) |  | The Libertine (2005) | £28,772 | £95,234 | £630,774 | -69% | 3 |