| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (new) |  | The Ring Two (2005) | £2,062,792 | £2,062,792 | £2,062,792 | new | 1 |
| 2 (new) |  | Be Cool (2005) | £1,196,884 | £1,196,884 | £1,196,884 | new | 1 |
| 3 (1) |  | Hitch (2005) | £1,073,241 | £2,771,384 | £13,937,041 | -35% | 4 |
| 4 (2) |  | Robots (2005) | £998,046 | £3,213,812 | £8,423,931 | -32% | 3 |
| 5 (4) |  | Valiant (2005) | £921,359 | £2,779,410 | £3,875,739 | -16% | 2 |
| 6 (3) |  | Miss Congeniality 2: Armed and Fabulous (2005) | £695,395 | £1,930,478 | £3,232,548 | -47% | 2 |
| 7 (5) |  | Constantine (2005) | £500,554 | £1,072,381 | £5,455,513 | -49% | 3 |
| 8 (6) |  | Hostage (2005) | £263,451 | £661,529 | £3,433,842 | -43% | 4 |
| 9 (re) |  | Downfall (2005) | £163,413 | £163,413 | £478,315 | RE | 1 |
| 10 (7) |  | Poohs Heffalump Movie (2005) | £136,473 | £465,158 | £938,711 | -28% | 3 |
| 11 (8) |  | Melinda and Melinda (2005) | £93,835 | £201,484 | £330,741 | -27% | 2 |
| 12 (10) |  | Maria Full of Grace (2005) | £66,674 | £148,339 | £232,674 | -21% | 2 |
| 13 (9) |  | Meet the Fockers (2005) | £51,599 | £156,829 | £28,549,465 | -51% | 10 |
| 14 (12) | | The Chorus (2005) | £51,032 | £142,550 | £624,093 | -36% | 4 |
| 15 (re) | | Mickybo and Me (2005) | £49,475 | £49,475 | £172,336 | RE | 1 |