| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (new) |  | Hotel Transylvania 2 (2015) | £6,317,438 | £6,317,438 | £6,317,438 | new | 1 |
| 2 (new) |  | Suffragette (2015) | £2,938,446 | £2,938,446 | £2,938,446 | new | 1 |
| 3 (new) |  | Pan (2015) | £2,738,758 | £2,738,758 | £2,738,758 | new | 1 |
| 4 (1) |  | The Martian (2015) | £2,419,958 | £4,279,937 | £17,491,033 | -37% | 3 |
| 5 (new) |  | Crimson Peak (2015) | £967,168 | £967,168 | £967,168 | new | 1 |
| 6 (2) |  | Sicario (2015) | £877,236 | £1,745,003 | £3,341,737 | -45% | 2 |
| 7 (4) |  | Legend (2015) | £449,248 | £831,768 | £17,578,665 | -37% | 6 |
| 8 (5) |  | The Intern (2015) | £269,851 | £578,917 | £2,402,314 | -47% | 3 |
| 9 (new) |  | The Lobster (2015) | £229,619 | £229,619 | £229,619 | new | 1 |
| 10 (6) |  | Everest (2015) | £218,450 | £495,476 | £10,265,763 | -56% | 5 |
| 11 (new) | | Otello: Met Opera 2015 (2015) | £172,773 | £172,773 | £172,773 | new | 1 |
| 12 (8) |  | Maze Runner: The Scorch Trials (2015) | £171,897 | £284,515 | £8,669,049 | -46% | 6 |
| 13 (7) |  | Macbeth (2015) | £171,079 | £478,733 | £2,317,568 | -63% | 3 |
| 14 (new) |  | The Program (2015) | £144,181 | £144,181 | £144,181 | new | 1 |
| 15 (3) |  | The Walk (2015) | £135,374 | £458,814 | £1,253,929 | -83% | 2 |