| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (new) |  | IT (2017) | £10,002,443 | £10,002,443 | £10,002,443 | new | 1 |
| 2 (1) |  | American Made (2017) | £674,106 | £1,307,375 | £4,332,237 | -30% | 3 |
| 3 (2) |  | Dunkirk (2017) | £629,435 | £1,311,466 | £55,046,949 | -33% | 8 |
| 4 (4) |  | The Emoji Movie (2017) | £546,248 | £1,996,110 | £14,286,015 | -24% | 6 |
| 5 (3) |  | The Hitman's Bodyguard (2017) | £484,936 | £937,671 | £6,599,321 | -32% | 4 |
| 6 (new) |  | Wind River (2017) | £437,899 | £437,899 | £437,899 | new | 1 |
| 7 (7) |  | Despicable Me 3 (2017) | £380,436 | £645,634 | £46,207,012 | -26% | 11 |
| 8 (5) |  | Logan Lucky (2017) | £373,417 | £783,209 | £2,904,431 | -41% | 3 |
| 9 (9) |  | The Limehouse Golem (2017) | £237,824 | £531,552 | £902,964 | -36% | 2 |
| 10 (8) |  | Detroit (2017) | £228,950 | £575,895 | £2,285,030 | -53% | 3 |
| 11 (10) |  | Girls Trip (2017) | £175,833 | £375,055 | £8,671,041 | -35% | 7 |
| 12 (6) |  | Annabelle Creation (2017) | £164,157 | £496,699 | £8,079,017 | -71% | 5 |
| 13 (14) |  | Cars 3 (2017) | £163,383 | £238,351 | £11,307,414 | -10% | 8 |
| 14 (13) |  | Captain Underpants: The First Epic Movie (2017) | £163,115 | £241,973 | £7,606,863 | -15% | 7 |
| 15 (15) | | Gods Own Country (2017) | £133,636 | £238,106 | £405,930 | -20% | 2 |