| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (1) |  | Dunkirk (2017) | £8,235,532 | £16,994,004 | £27,017,724 | -18% | 2 |
| 2 (new) |  | Captain Underpants: The First Epic Movie (2017) | £2,495,744 | £2,495,744 | £2,495,744 | new | 1 |
| 3 (2) |  | Despicable Me 3 (2017) | £2,250,597 | £5,532,399 | £35,851,868 | -27% | 5 |
| 4 (3) |  | War For the Planet of the Apes (2017) | £1,656,290 | £3,573,237 | £16,240,721 | -39% | 3 |
| 5 (4) |  | Spider-Man: Homecoming (2017) | £1,560,458 | £3,467,882 | £24,540,135 | -29% | 4 |
| 6 (new) |  | Girls Trip (2017) | £1,557,981 | £1,557,981 | £1,557,981 | new | 1 |
| 7 (5) |  | Cars 3 (2017) | £1,013,547 | £2,330,700 | £7,403,511 | -38% | 3 |
| 8 (new) |  | 47 Meters Down (2017) | £637,964 | £637,964 | £637,964 | new | 1 |
| 9 (7) |  | Baby Driver (2017) | £517,790 | £1,056,169 | £11,136,383 | -25% | 5 |
| 10 (new) |  | The Big Sick (2017) | £488,718 | £488,718 | £488,718 | new | 1 |
| 11 (new) | | Mubarakhan (2017) | £113,742 | £113,742 | £113,742 | new | 1 |
| 12 (6) |  | André Rieu's 2017 Maastricht Concert (2017) | £63,054 | £69,081 | £1,508,685 | -96% | 2 |
| 13 (re) |  | A Dogs Purpose (2017) | £56,963 | £56,963 | £2,995,536 | re | 6 |
| 14 (9) |  | The Black Prince (2017) | £56,870 | £117,962 | £199,413 | -30% | 2 |
| 15 (8) | | The Beguiled (2017) | £54,938 | £167,550 | £1,021,116 | -61% | 3 |