| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (1) |  | War of the Worlds (2005) | £4,219,120 | £8,923,783 | £17,568,570 | -51% | 2 |
| 2 (2) |  | Batman Begins (2005) | £782,152 | £1,672,728 | £13,871,254 | -43% | 4 |
| 3 (new) |  | The Descent (2005) | £570,850 | £570,850 | £570,850 | new | 1 |
| 4 (3) |  | Mr. & Mrs. Smith (2005) | £476,040 | £1,026,413 | £12,541,517 | -35% | 5 |
| 5 (4) |  | Star Wars Episode III: Revenge of the Sith (2005) | £167,452 | £391,737 | £38,877,900 | -51% | 8 |
| 6 (5) |  | A Lot Like Love (2005) | £123,797 | £332,227 | £1,280,361 | -51% | 3 |
| 7 (new) |  | Dus (2005) | £104,468 | £104,468 | £104,468 | new | 1 |
| 8 (6) |  | Kung-Fu Hustle (2005) | £81,047 | £229,634 | £1,132,793 | -56% | 3 |
| 9 (7) |  | Sin City (2005) | £64,729 | £200,882 | £6,911,294 | -52% | 6 |
| 10 (8) | | Paheli (2005) | £42,457 | £90,053 | £490,222 | -62% | 3 |
| 11 (10) | | Sarkar (2005) | £31,794 | £63,713 | £115,388 | -38% | 2 |
| 12 (11) | | Bombon El Perro (2004) | £30,807 | £58,764 | £225,360 | -11% | 4 |
| 13 (9) |  | The Pacifier (2005) | £23,840 | £60,498 | £4,075,641 | -73% | 7 |
| 14 (14) |  | A Married Woman (2005) | £11,241 | £21,551 | £417,759 | -39% | 5 |
| 15 (re) | | The Consequences of Love (2005) | £11,200 | £11,200 | £323,601 | re | 6 |