| Title | Weekend | Week | Total | % Change | Total Weeks | ||
| 1 (1) | ![]() | Dunkirk (2017) | £4,624,570 | £11,173,340 | £38,191,064 | -44% | 3 |
| 2 (new) | ![]() | The Emoji Movie (2017) | £2,702,809 | £2,702,809 | £2,702,809 | new | 1 |
| 3 (new) | ![]() | Valerian and the City of a Thousand Planets (2017) | £1,861,916 | £1,861,916 | £1,861,916 | new | 1 |
| 4 (3) | ![]() | Despicable Me 3 (2017) | £1,189,440 | £3,488,962 | £39,340,830 | -47% | 6 |
| 5 (6) | ![]() | Girls Trip (2017) | £1,036,842 | £2,248,782 | £3,806,763 | -33% | 2 |
| 6 (5) | ![]() | Spider-Man: Homecoming (2017) | £927,957 | £2,271,625 | £26,811,760 | -41% | 5 |
| 7 (4) | ![]() | War For the Planet of the Apes (2017) | £881,374 | £2,108,208 | £18,348,929 | -47% | 4 |
| 8 (2) | ![]() | Captain Underpants: The First Epic Movie (2017) | £594,874 | £1,913,981 | £4,409,725 | -76% | 2 |
| 9 (7) | ![]() | Cars 3 (2017) | £495,039 | £1,427,505 | £8,831,016 | -51% | 4 |
| 10 (new) | Jab Harry Met Sejal (2017) | £369,718 | £369,718 | £369,718 | new | 1 | |
| 11 (9) | ![]() | Baby Driver (2017) | £362,684 | £750,165 | £11,886,548 | -30% | 6 |
| 12 (10) | ![]() | The Big Sick (2017) | £276,107 | £591,320 | £1,080,038 | -44% | 2 |
| 13 (8) | ![]() | 47 Meters Down (2017) | £157,172 | £535,708 | £1,173,672 | -75% | 2 |
| 14 (new) | England Is Mine (2017) | £76,895 | £76,895 | £76,895 | new | 1 | |
| 15 (new) | Maudie (2017) | £49,314 | £49,314 | £49,314 | new | 1 | |
| 16 (14) | ![]() | The Black Prince (2017) | £25,317 | £57,683 | £257,096 | -55% | 3 |
| 17 (new) | ![]() | Wolf Warrior II (2017) | £23,711 | £23,711 | £23,711 | new | 1 |
| 18 (16) | ![]() | Wonder Woman (2017) | £18,392 | £50,433 | £22,086,045 | -60% | 10 |
| 19 (new) | Finally Found Someone (2017) | £18,335 | £18,335 | £18,335 | new | 1 | |
| 20 (re) | ![]() | Prick Up Your Ears (1987) Rerelease | £17,801 | £17,801 | £18,184 | re | 2 |
| 21 (new) | Williams (2017) | £17,294 | £17,294 | £17,294 | new | 1 | |
| 22 (new) | Land of Mine (2017) | £14,960 | £14,960 | £14,960 | new | 1 | |
| 23 (new) | Toofan Singh (2017) | £14,227 | £14,227 | £14,227 | new | 1 | |
| 24 (23) | Hampstead (2017) | £8,765 | £26,921 | £1,476,420 | -33% | 6 | |
| 25 (22) | ![]() | Howards End (1992) | £6,552 | £22,958 | £1,783,443 | -55% | 17 |
| 26 (new) | The Ghoul (2017) | £6,264 | £6,264 | £6,264 | new | 1 | |
| 27 (18) | ![]() | Transformers: The Last Knight (2017) | £6,263 | £21,958 | £9,520,484 | -73% | 7 |
| 28 (29) | ![]() | My Cousin Rachel (2017) | £5,162 | £16,372 | £2,488,646 | 26% | 8 |
| 29 (25) | ![]() | Churchill (2017) | £3,872 | £25,734 | £1,589,765 | -55% | 7 |
| 30 (28) | Alone In Berlin (2017) | £3,220 | £7,171 | £286,042 | -30% | 5 | |
| 31 (31) | ![]() | Angels In America Part One Millenium Approaches: NT Live 2017 (2017) | £3,195 | £4,580 | £421,175 | 14% | 3 |
| 32 (27) | ![]() | Angels In America Part Two Perestroika: NT Live 2017 (2017) | £2,093 | £11,974 | £339,175 | -62% | 2 |
| 33 (new) | ![]() | Sunday Holiday (2017) | £1,609 | £1,609 | £1,609 | new | 1 |
| 34 (30) | City of Ghosts (2017) | £1,431 | £7,454 | £32,385 | -61% | 3 | |
| 35 (32) | ![]() | Pirates of the Caribbean: Salazars Revenge (2017) | £951 | £4,309 | £19,533,484 | -52% | 11 |
| 36 (26) | ![]() | The Mummy (2017) | £875 | £3,627 | £8,744,766 | -87% | 8 |
| 37 (re) | ![]() | Whisky Galore (2017) | £552 | £552 | £338,604 | re | 12 |
| 38 (40) | Queerama (2017) | £545 | £1,590 | £2,049 | 16% | 2 | |
| 39 (re) | La Clemenza Di Tito: Glyndebourne 2017 (2017) | £378 | £378 | £88,203 | re | 1 | |
| 40 (re) | ![]() | The Levelling (2017) | £344 | £344 | £88,509 | re | 8 |
| 41 (re) | ![]() | Alien: Covenant (2017) | £318 | £318 | £12,928,823 | re | 10 |
| 42 (34) | Letters From Baghdad (2017) | £285 | £530 | £106,923 | -82% | 15 | |
| 43 (re) | A Change In the Weather (2017) | £225 | £225 | £5,221 | re | 2 | |
| 44 (35) | The Hippopotamus (2017) | £203 | £2,589 | £78,639 | -77% | 9 | |
| 45 (re) | ![]() | Their Finest (2017) | £197 | £197 | £4,051,318 | re | 13 |
| 46 (42) | ![]() | Lost In London (2017) | £52 | £-39,948 | £5,335 | -81% | 14 |