| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (new) |  | The Inbetweeners Movie (2011) | £13,216,736 | £13,216,736 | £13,216,736 | new | 1 |
| 2 (1) |  | Rise of the Planet of the Apes (2011) | £2,425,887 | £5,824,377 | £11,659,517 | -58% | 2 |
| 3 (new) |  | Cowboys & Aliens (2011) | £1,777,320 | £1,777,320 | £1,777,320 | new | 1 |
| 4 (2) |  | The Smurfs (2011) | £1,445,619 | £3,919,750 | £7,697,835 | -62% | 2 |
| 5 (3) |  | Harry Potter and the Deathly Hallows Part 2 (2011) | £959,001 | £2,434,172 | £68,946,098 | -45% | 6 |
| 6 (new) |  | Spy Kids: All the Time In the World (2011) | £703,078 | £703,078 | £703,078 | new | 1 |
| 7 (4) |  | Super 8 (2011) | £441,675 | £1,296,305 | £6,455,278 | -62% | 3 |
| 8 (5) |  | Mr. Poppers Penguins (2011) | £421,312 | £1,401,717 | £5,601,814 | -53% | 3 |
| 9 (new) |  | Glee: The 3D Concert Movie (2011) | £356,271 | £356,271 | £356,271 | new | 1 |
| 10 (12) |  | The Guard (2011) | £320,842 | £461,727 | £3,503,767 | 52% | 7 |
| 11 (7) |  | Cars 2 (2011) | £311,454 | £910,844 | £14,016,776 | -55% | 5 |
| 12 (6) |  | Horrible Bosses (2011) | £275,097 | £680,913 | £9,919,137 | -62% | 5 |
| 13 (8) |  | Captain America: The First Avenger (2011) | £161,144 | £587,295 | £9,216,634 | -73% | 4 |
| 14 (9) |  | Horrid Henry: The Movie (2011) | £151,540 | £607,834 | £5,659,328 | -62% | 4 |
| 15 (10) |  | Bridesmaids (2011) | £147,294 | £652,639 | £22,970,769 | -56% | 9 |