| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (1) |  | The Interpreter (2005) | £1,212,734 | £2,055,929 | £3,645,758 | -24% | 2 |
| 2 (2) |  | The Amityville Horror (2005) | £886,429 | £1,516,364 | £2,855,781 | -34% | 2 |
| 3 (new) |  | The Wedding Date (2005) | £808,641 | £808,641 | £808,641 | new | 1 |
| 4 (new) |  | Guess Who (2005) | £697,561 | £697,561 | £697,561 | new | 1 |
| 5 (3) |  | Sahara (2005) | £564,271 | £908,558 | £3,709,626 | -32% | 3 |
| 6 (4) |  | Valiant (2005) | £334,669 | £461,188 | £7,234,264 | -36% | 5 |
| 7 (5) |  | Hitch (2005) | £270,000 | £419,454 | £16,814,615 | -44% | 7 |
| 8 (7) |  | Robots (2005) | £249,709 | £354,873 | £11,558,894 | -43% | 6 |
| 9 (6) |  | Be Cool (2005) | £214,212 | £398,519 | £4,019,368 | -54% | 4 |
| 10 (new) |  | WAQT: The Race Against Time (2005) | £208,254 | £208,254 | £208,254 | new | 1 |
| 11 (new) | | Cursed (2005) | £207,597 | £207,597 | £207,597 | new | 1 |
| 12 (10) |  | Downfall (2005) | £161,103 | £310,019 | £1,107,249 | -17% | 4 |
| 13 (new) |  | Beauty Shop (2005) | £131,060 | £131,060 | £131,060 | new | 1 |
| 14 (8) |  | The Ring Two (2005) | £128,240 | £289,412 | £5,168,265 | -69% | 4 |
| 15 (9) |  | Miss Congeniality 2: Armed and Fabulous (2005) | £95,345 | £235,245 | £5,243,599 | -69% | 5 |