| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (new) |  | Fantastic Four (2005) | £3,541,391 | £3,541,391 | £3,541,391 | new | 1 |
| 2 (1) |  | Madagascar (2005) | £3,272,662 | £5,846,341 | £11,277,980 | -40% | 2 |
| 3 (3) |  | Wedding Crashers (2005) | £1,840,352 | £3,543,194 | £5,725,791 | -16% | 2 |
| 4 (2) |  | War of the Worlds (2005) | £1,753,266 | £3,386,083 | £25,286,713 | -21% | 4 |
| 5 (new) |  | Dark Water (2005) | £480,199 | £480,199 | £480,199 | new | 1 |
| 6 (4) |  | Batman Begins (2005) | £293,576 | £654,045 | £15,460,356 | -31% | 6 |
| 7 (5) |  | The Descent (2005) | £268,215 | £629,225 | £2,062,180 | -35% | 3 |
| 8 (new) |  | Kicking and Screaming (2005) | £240,452 | £240,452 | £240,452 | new | 1 |
| 9 (6) |  | Mr. & Mrs. Smith (2005) | £83,607 | £278,784 | £13,375,272 | -62% | 7 |
| 10 (7) |  | Maine Pyaar Kyun Kiya (2005) | £83,177 | £172,502 | £320,800 | -44% | 2 |
| 11 (re) |  | The Pacifier (2005) | £71,306 | £71,306 | £4,180,002 | re | 8 |
| 12 (new) | | Viruddh ... Family Comes First (2005) | £66,709 | £66,709 | £66,709 | new | 1 |
| 13 (8) |  | Star Wars Episode III: Revenge of the Sith (2005) | £47,556 | £109,411 | £39,188,065 | -42% | 10 |
| 14 (new) | | Silver City (2004) | £43,484 | £43,484 | £43,484 | new | 1 |
| 15 (10) | | Festival (2005) | £26,748 | £62,363 | £96,373 | -21% | 2 |