| Title | Weekend | Week | Total | % Change | Total Weeks | ||
| 1 (new) | ![]() | King Arthur: Legend of the Sword (2017) | £2,501,993 | £2,501,993 | £2,501,993 | new | 1 |
| 2 (1) | ![]() | Alien: Covenant (2017) | £2,127,347 | £4,825,211 | £10,003,742 | -59% | 2 |
| 3 (2) | ![]() | Guardians of the Galaxy Vol. 2 (2017) | £1,950,000 | £3,258,088 | £36,300,000 | -40% | 4 |
| 4 (new) | ![]() | Snatched (2017) | £842,489 | £842,489 | £842,489 | new | 1 |
| 5 (3) | ![]() | The Boss Baby (2017) | £414,954 | £503,456 | £26,819,979 | -29% | 7 |
| 6 (5) | ![]() | A Dogs Purpose (2017) | £263,233 | £423,295 | £2,464,023 | -46% | 3 |
| 7 (4) | ![]() | Fast and Furious 8 (2017) | £230,868 | £433,028 | £29,385,156 | -54% | 6 |
| 8 (7) | ![]() | Beauty and the Beast (2017) | £158,496 | £253,051 | £71,878,441 | -48% | 10 |
| 9 (new) | ![]() | Colossal (2017) | £150,642 | £150,642 | £150,642 | new | 1 |
| 10 (10) | ![]() | Their Finest (2017) | £133,646 | £0 | £3,640,266 | 0% | 5 |
| 11 (new) | Half Girlfriend (2017) | £112,784 | £112,784 | £112,784 | new | 1 | |
| 12 (12) | ![]() | Moulin Rouge (2001) Secret Cinema | £112,477 | £156,260 | £3,906,232 | 8% | 25 |
| 13 (8) | ![]() | Miss Sloane (2016) | £82,333 | £221,222 | £411,517 | -57% | 2 |
| 14 (re) | ![]() | Sing (2016) | £67,957 | £67,957 | £28,848,865 | re | 10 |
| 15 (11) | ![]() | Smurfs: The Lost Village (2017) | £58,036 | £71,424 | £5,241,521 | -51% | 8 |
| 16 (new) | Hindi Medium (2017) | £49,695 | £49,695 | £49,695 | new | 1 | |
| 17 (16) | ![]() | Lady Macbeth (2017) | £44,436 | £96,933 | £696,804 | -30% | 4 |
| 18 (new) | Fairy Tail: Dragon Cry (2017) | £44,107 | £44,107 | £44,107 | new | 1 | |
| 19 (42) | ![]() | Free Fire (2017) | £38,967 | £40,955 | £972,681 | 97% | 8 |
| 20 (13) | ![]() | Mindhorn (2017) | £33,076 | £98,007 | £574,445 | -61% | 3 |
| 21 (20) | ![]() | Whisky Galore (2017) | £32,410 | £62,502 | £194,024 | -26% | 3 |
| 22 (22) | ![]() | Peppa Pig: My First Cinema Experience (2017) | £20,385 | £30,891 | £3,427,306 | -42% | 7 |
| 23 (26) | The Sense of An Ending (2017) | £11,482 | £30,238 | £1,143,697 | 0% | 6 | |
| 24 (re) | Who's Afraid of Virginia Woolf: NT Live 2017 (2017) | £9,661 | £9,661 | £564,118 | re | 1 | |
| 25 (24) | ![]() | The Levelling (2017) | £8,732 | £24,046 | £48,963 | -65% | 2 |
| 26 (32) | A Quiet Passion (2017) | £6,288 | £19,572 | £308,743 | 37% | 7 | |
| 27 (new) | ![]() | Sangili Bungili Kadhava Thorae (2017) | £6,274 | £6,274 | £6,274 | new | 1 |
| 28 (27) | The Journey (2017) | £5,125 | £13,986 | £64,615 | -55% | 3 | |
| 29 (35) | Letters From Baghdad (2017) | £4,804 | £12,935 | £65,535 | 33% | 5 | |
| 30 (new) | ![]() | Comrade In America (2017) | £4,409 | £4,409 | £4,409 | new | 1 |
| 31 (new) | Machines (2017) | £3,545 | £3,545 | £3,545 | new | 1 | |
| 32 (36) | Another Mother's Son (2017) | £3,274 | £20,153 | £335,442 | 8% | 9 | |
| 33 (28) | ![]() | Lion (2017) | £3,012 | £10,311 | £11,772,885 | -70% | 18 |
| 34 (25) | ![]() | Jawbone (2017) | £2,830 | £8,061 | £23,750 | -82% | 2 |
| 35 (29) | ![]() | Lost In London (2017) | £2,720 | £3,988 | £38,588 | -51% | 4 |
| 36 (new) | ![]() | Inversion (2017) | £2,600 | £2,600 | £2,600 | new | 1 |
| 37 (33) | ![]() | Viceroys House (2017) | £2,510 | £7,253 | £4,054,744 | -36% | 12 |
| 38 (43) | ![]() | Julius Caesar: RSC Live 2017 (2017) | £1,152 | £3,020 | £300,583 | 69% | 3 |
| 39 (37) | Mad to Be Normal (2017) | £965 | £3,590 | £40,079 | -42% | 7 | |
| 40 (new) | Spaceship (2017) | £939 | £939 | £939 | new | 1 | |
| 41 (40) | ![]() | Obsession: NT Live 2017 (2017) | £722 | £6,843 | £222,610 | -43% | 2 |
| 42 (34) | ![]() | The Time of Their Lives (2017) | £405 | £9,867 | £579,666 | -88% | 8 |
| 43 (46) | Bunch of Kunst (2017) | £334 | £762 | £22,060 | 69% | 5 | |
| 44 (39) | Finding Fatimah (2017) | £187 | £857 | £51,822 | -86% | 5 | |
| 45 (re) | Exhibition On Screen: The Artists Garden American Impressionism (2017) | £186 | £186 | £64,205 | re | 3 | |
| 46 (re) | ![]() | A Moving Image (2017) | £60 | £60 | £5,989 | re | 3 |
| 47 (45) | ![]() | Burden (2017) | £46 | £46 | £1,532 | -66% | 3 |
| 48 (44) | ![]() | Dancer (2017) | £18 | £162 | £259,094 | -91% | 9 |