| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (new) |  | The Hangover Part II (2011) | £10,409,017 | £10,409,017 | £10,409,017 | new | 1 |
| 2 (1) |  | Pirates of the Caribbean: On Stranger Tides () | £4,757,411 | £8,103,294 | £19,738,154 | -59% | 2 |
| 3 (new) |  | Diary of a Wimpy Kid: Rodrick Rules () | £1,476,720 | £1,476,720 | £1,476,720 | new | 1 |
| 4 (3) |  | Thor (2011) | £335,103 | £627,778 | £13,497,496 | -37% | 5 |
| 5 (2) |  | Fast Five () | £322,506 | £609,675 | £18,008,899 | -45% | 6 |
| 6 (7) |  | Rio () | £300,865 | £339,073 | £12,403,643 | 6% | 8 |
| 7 (4) |  | Insidious () | £208,313 | £440,779 | £6,827,578 | -54% | 5 |
| 8 (6) |  | Hanna () | £148,339 | £320,560 | £3,503,260 | -48% | 4 |
| 9 (5) |  | Attack the Block (2011) | £142,919 | £344,109 | £2,269,528 | -60% | 3 |
| 10 (8) |  | Water For Elephants () | £129,143 | £301,199 | £3,504,135 | -52% | 4 |
| 11 (9) |  | Blitz (2011) | £79,565 | £276,833 | £542,981 | -70% | 2 |
| 12 (13) |  | Hop (2011) | £76,699 | £85,615 | £7,479,597 | 17% | 9 |
| 13 (10) |  | Win Win () | £72,082 | £172,357 | £327,820 | -54% | 2 |
| 14 (11) |  | Something Borrowed () | £50,021 | £123,814 | £2,040,864 | -59% | 4 |
| 15 (new) |  | Le Quattro Volte (2011) | £36,205 | £36,205 | £36,205 | new | 1 |