| Title | Weekend | Week | Total | % Change | Total Weeks | ||
| 1 (1) | ![]() | The Adventures of Tintin: The Secret of the Unicorn (2011) | £2,199,171 | £3,634,943 | £10,393,667 | -67% | 2 |
| 2 (new) | ![]() | In Time (2011) | £1,882,365 | £1,882,365 | £1,882,365 | new | 1 |
| 3 (new) | ![]() | Tower Heist (2011) | £1,451,029 | £1,451,029 | £1,451,029 | new | 1 |
| 4 (3) | ![]() | Johnny English Reborn (2011) | £832,068 | £1,497,057 | £18,994,878 | -53% | 5 |
| 5 (2) | ![]() | Paranormal Activity 3 (2011) | £800,580 | £2,036,682 | £9,631,236 | -57% | 3 |
| 6 (7) | ![]() | The Help (2011) | £537,633 | £1,232,601 | £2,129,198 | -40% | 2 |
| 7 (4) | ![]() | Contagion (2011) | £493,293 | £1,113,639 | £4,855,880 | -53% | 3 |
| 8 (8) | ![]() | The Ides of March (2011) | £489,240 | £951,140 | £1,616,527 | -26% | 2 |
| 9 (5) | ![]() | The Lion King (1994) 3D Rerelease | £461,738 | £829,892 | £11,870,821 | -54% | 25 |
| 10 (new) | ![]() | Machine Gun Preacher (2011) | £331,578 | £331,578 | £331,578 | new | 1 |
| 11 (6) | Ra.One (2011) | £182,898 | £367,732 | £1,276,500 | -80% | 2 | |
| 12 (11) | ![]() | We Need to Talk About Kevin (2011) | £173,914 | £416,564 | £1,604,258 | -41% | 3 |
| 13 (9) | ![]() | Real Steel (2011) | £168,584 | £324,182 | £4,498,419 | -67% | 4 |
| 14 (10) | ![]() | Dolphin Tale (2011) | £127,622 | £217,250 | £2,254,784 | -57% | 4 |
| 15 (re) | ![]() | Midnight In Paris (2011) | £97,944 | £97,944 | £2,347,253 | re | 4 |
| 16 (14) | ![]() | Tinker, Tailor, Soldier, Spy (2011) | £84,036 | £177,185 | £13,716,113 | -48% | 8 |
| 17 (new) | ![]() | Straw Dogs (2011) | £41,912 | £41,912 | £41,912 | new | 1 |
| 18 (12) | ![]() | The Three Musketeers (2011) | £38,028 | £101,202 | £3,440,825 | -82% | 4 |
| 19 (new) | ![]() | Weekend (2011) | £30,474 | £30,474 | £30,474 | new | 1 |
| 20 (new) | The Future (2011) | £21,560 | £21,560 | £21,560 | new | 1 | |
| 21 (16) | ![]() | Sket (2011) | £16,824 | £57,592 | £127,891 | -76% | 2 |
| 22 (new) | ![]() | Will (2011) | £10,334 | £10,334 | £10,334 | new | 1 |
| 23 (new) | Jack Goes Boating (2011) | £6,754 | £6,754 | £6,754 | new | 1 | |
| 24 (22) | ![]() | Melancholia (2011) | £6,173 | £34,500 | £536,794 | -50% | 6 |
| 25 (new) | Snow Flower and the Secret Fan (2011) | £4,895 | £4,895 | £4,895 | new | 1 | |
| 26 (20) | ![]() | The Inbetweeners Movie (2011) | £4,223 | £11,211 | £45,019,918 | -76% | 12 |
| 27 (re) | ![]() | Jane Eyre (2011) | £3,692 | £3,692 | £5,012,583 | re | 8 |
| 28 (re) | ![]() | The Debt (2011) | £2,707 | £2,707 | £1,487,542 | re | 5 |
| 29 (23) | ![]() | One Day (2011) | £2,060 | £21,905 | £8,009,708 | -45% | 11 |
| 30 (26) | The Story of Lovers Rock (2011) | £1,871 | £2,069 | £43,134 | -21% | 4 | |
| 31 (new) | Oslo, August 31st (2011) | £1,840 | £1,840 | £1,840 | new | 1 | |
| 32 (19) | ![]() | Demons Never Die (2011) | £1,781 | £21,805 | £51,269 | -94% | 2 |
| 33 (27) | Tyrannosaur (2011) | £1,780 | £3,626 | £226,993 | -8% | 5 | |
| 34 (new) | ![]() | Anadolu Kartallari (2011) | £1,315 | £1,315 | £1,315 | new | 1 |
| 35 (24) | ![]() | Harry Potter and the Deathly Hallows Part 2 (2011) | £1,184 | £3,596 | £73,094,187 | -61% | 17 |
| 36 (new) | ![]() | Human Centipede 2: Full Sequence (2011) | £942 | £942 | £942 | new | 1 |
| 37 (28) | ![]() | Mausam (2011) | £857 | £931 | £380,613 | -24% | 7 |
| 38 (29) | Albatross (2011) | £455 | £455 | £20,571 | 23% | 4 | |
| 39 (25) | ![]() | The Guard (2011) | £187 | £6,564 | £4,607,274 | -93% | 18 |
| 40 (31) | Project Nim (2011) | £116 | £139 | £107,551 | 48% | 13 | |