| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (new) |  | Home (2015) | £6,025,917 | £6,025,917 | £6,025,917 | new | 1 |
| 2 (new) |  | The Divergent Series: Insurgent (2015) | £2,938,860 | £2,938,860 | £2,938,860 | new | 1 |
| 3 (1) |  | The Second Best Exotic Marigold Hotel (2015) | £671,088 | £1,681,790 | £13,413,705 | -52% | 4 |
| 4 (3) |  | Focus (2015) | £490,317 | £884,134 | £6,527,072 | -39% | 4 |
| 5 (new) |  | The Gunman (2015) | £405,934 | £405,934 | £405,934 | new | 1 |
| 6 (2) |  | Run All Night (2015) | £348,638 | £856,833 | £1,680,666 | -58% | 2 |
| 7 (4) |  | Suite Française (2015) | £268,607 | £789,480 | £1,293,408 | -47% | 2 |
| 8 (7) |  | Still Alice (2015) | £257,016 | £596,349 | £1,698,527 | -39% | 3 |
| 9 (5) |  | Fifty Shades of Grey (2015) | £235,681 | £565,771 | £34,395,106 | -52% | 6 |
| 10 (new) |  | Wild Card (2015) | £152,034 | £152,034 | £152,034 | new | 1 |
| 11 (8) |  | Big Hero 6 (2015) | £132,451 | £222,244 | £19,334,096 | -66% | 8 |
| 12 (9) |  | Kingsman: The Secret Service (2015) | £132,290 | £275,389 | £16,059,731 | -55% | 8 |
| 13 (6) |  | Chappie (2015) | £118,848 | £380,814 | £2,367,500 | -73% | 3 |
| 14 (new) | | The Voices (2015) | £118,255 | £118,255 | £118,255 | new | 1 |
| 15 (16) |  | Paddington (2014) | £110,657 | £119,795 | £37,456,182 | 20% | 16 |