| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (new) |  | The Hitchhikers Guide to the Galaxy (2005) | £3,298,262 | £3,298,262 | £3,298,262 | new | 1 |
| 2 (new) |  | xXx 2: The Next Level (2005) | £920,506 | £920,506 | £920,506 | new | 1 |
| 3 (1) |  | The Interpreter (2005) | £749,529 | £1,382,815 | £5,028,573 | -38% | 3 |
| 4 (3) |  | The Wedding Date (2005) | £672,417 | £1,179,646 | £1,988,287 | -17% | 2 |
| 5 (2) |  | The Amityville Horror (2005) | £547,889 | £940,496 | £3,796,277 | -38% | 3 |
| 6 (4) |  | Guess Who (2005) | £415,970 | £715,133 | £1,412,694 | -40% | 2 |
| 7 (5) |  | Sahara (2005) | £288,427 | £528,076 | £4,237,702 | -49% | 4 |
| 8 (6) |  | Valiant (2005) | £238,246 | £282,517 | £7,516,781 | -29% | 6 |
| 9 (8) |  | Robots (2005) | £164,115 | £193,327 | £11,752,221 | -34% | 7 |
| 10 (10) |  | WAQT: The Race Against Time (2005) | £149,054 | £243,943 | £452,197 | -28% | 2 |
| 11 (7) |  | Hitch (2005) | £138,668 | £265,107 | £17,079,722 | -49% | 8 |
| 12 (12) |  | Downfall (2005) | £106,446 | £233,388 | £1,340,637 | -34% | 5 |
| 13 (new) | | Kaal (2005) | £101,649 | £101,649 | £101,649 | new | 1 |
| 14 (13) |  | Beauty Shop (2005) | £73,859 | £132,282 | £263,342 | -44% | 2 |
| 15 (9) |  | Be Cool (2005) | £59,904 | £103,750 | £4,123,118 | -72% | 5 |