| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (1) |  | The Martian (2015) | £3,854,809 | £6,679,362 | £13,211,096 | -41% | 2 |
| 2 (new) |  | Sicario (2015) | £1,596,734 | £1,596,734 | £1,596,734 | new | 1 |
| 3 (new) |  | The Walk (2015) | £795,115 | £795,115 | £795,115 | new | 1 |
| 4 (2) |  | Legend (2015) | £709,718 | £1,378,498 | £16,746,897 | -33% | 5 |
| 5 (4) |  | The Intern (2015) | £506,864 | £1,064,684 | £1,823,397 | -33% | 2 |
| 6 (3) |  | Everest (2015) | £498,188 | £1,040,868 | £9,770,287 | -41% | 4 |
| 7 (5) |  | Macbeth (2015) | £465,932 | £1,092,193 | £1,838,835 | -38% | 2 |
| 8 (6) |  | Maze Runner: The Scorch Trials (2015) | £321,278 | £515,054 | £8,384,534 | -47% | 5 |
| 9 (new) |  | Regression (2015) | £214,742 | £214,742 | £214,742 | new | 1 |
| 10 (10) |  | Inside Out (2015) | £185,438 | £226,322 | £38,375,834 | 3% | 12 |
| 11 (new) |  | Giselle: Bolshoi 2015 (2015) | £128,875 | £128,875 | £128,875 | new | 1 |
| 12 (9) |  | Singh Is Bling (2015) | £77,300 | £158,343 | £351,810 | -60% | 2 |
| 13 (new) | | I Believe In Miracles (2015) | £75,528 | £75,528 | £75,528 | new | 1 |
| 14 (8) |  | Miss You Already (2015) | £57,585 | £246,616 | £1,356,069 | -71% | 3 |
| 15 (new) | | Jazbaa (2015) | £54,680 | £54,680 | £54,680 | new | 1 |