| Title | Weekend | Week | Total | % Change | Total Weeks | ||
| 1 (new) | ![]() | Wonder Woman (2017) | £6,179,616 | £6,179,616 | £6,179,616 | new | 1 |
| 2 (new) | ![]() | Baywatch (2017) | £4,631,244 | £4,631,244 | £4,631,244 | new | 1 |
| 3 (1) | ![]() | Pirates of the Caribbean: Salazars Revenge (2017) | £2,737,320 | £7,795,223 | £13,033,272 | -48% | 2 |
| 4 (2) | ![]() | Diary of a Wimpy Kid: The Long Haul (2017) | £851,207 | £2,488,746 | £3,932,838 | -41% | 2 |
| 5 (3) | ![]() | Guardians of the Galaxy Vol. 2 (2017) | £642,223 | £1,827,552 | £39,646,990 | -27% | 6 |
| 6 (4) | ![]() | Alien: Covenant (2017) | £327,309 | £691,050 | £12,320,505 | -55% | 4 |
| 7 (7) | ![]() | The Boss Baby (2017) | £293,048 | £853,193 | £27,920,847 | 32% | 9 |
| 8 (5) | ![]() | King Arthur: Legend of the Sword (2017) | £209,402 | £819,433 | £4,634,166 | -65% | 3 |
| 9 (8) | ![]() | Moulin Rouge (2001) Secret Cinema | £132,945 | £186,768 | £4,252,526 | 15% | 27 |
| 10 (6) | ![]() | Snatched (2017) | £104,384 | £328,600 | £1,955,348 | -69% | 3 |
| 11 (new) | British Museum Presents Hokusai (2017) | £92,264 | £92,264 | £92,264 | new | 1 | |
| 12 (re) | ![]() | Smurfs: The Lost Village (2017) | £88,488 | £88,488 | £5,430,500 | re | 9 |
| 13 (10) | ![]() | A Dogs Purpose (2017) | £62,881 | £233,352 | £2,840,210 | -31% | 5 |
| 14 (9) | The Red Turtle (2017) | £58,725 | £182,191 | £274,188 | -36% | 2 | |
| 15 (new) | ![]() | My Life As a Courgette (2017) | £55,566 | £55,566 | £55,566 | new | 1 |