| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (1) |  | The Second Best Exotic Marigold Hotel (2015) | £1,957,256 | £4,868,794 | £8,640,646 | -48% | 2 |
| 2 (3) |  | Focus () | £1,312,963 | £2,343,029 | £4,253,274 | -31% | 2 |
| 3 (2) |  | Fifty Shades of Grey (2015) | £1,066,813 | £2,392,636 | £32,706,648 | -53% | 4 |
| 4 (new) |  | Chappie (2015) | £1,015,058 | £1,015,058 | £1,015,058 | new | 1 |
| 5 (4) |  | Big Hero 6 () | £818,737 | £957,206 | £18,626,512 | -33% | 6 |
| 6 (5) |  | Shaun the Sheep Movie (2015) | £611,005 | £740,197 | £12,388,932 | -39% | 5 |
| 7 (6) |  | Kingsman: The Secret Service () | £450,947 | £752,842 | £15,305,859 | -32% | 6 |
| 8 (new) |  | Still Alice () | £401,565 | £401,565 | £401,565 | new | 1 |
| 9 (new) |  | Unfinished Business () | £394,177 | £394,177 | £394,177 | new | 1 |
| 10 (8) |  | It Follows () | £229,927 | £447,963 | £819,105 | -38% | 2 |
| 11 (re) | | Romeo and Juliet: Bolshoi Ballet (2015) | £189,674 | £189,674 | £303,956 | re | 1 |
| 12 (10) |  | The Theory of Everything (2014) | £178,370 | £384,088 | £21,005,943 | -46% | 10 |
| 13 (7) |  | The Boy Next Door () | £166,548 | £411,108 | £817,282 | -59% | 2 |
| 14 (re) |  | Paddington (2014) | £155,723 | £155,723 | £37,242,841 | re | 14 |
| 15 (9) |  | The Wedding Ringer () | £145,017 | £321,548 | £2,119,244 | -61% | 3 |