| Title | Weekend | Week | Total | % Change | Total Weeks | ||
| 1 (new) | ![]() | Alien: Covenant (2017) | £5,178,531 | £5,178,531 | £5,178,531 | new | 1 |
| 2 (1) | ![]() | Guardians of the Galaxy Vol. 2 (2017) | £3,276,957 | £5,622,411 | £33,041,912 | -46% | 3 |
| 3 (4) | ![]() | The Boss Baby (2017) | £581,209 | £669,362 | £26,316,523 | -12% | 6 |
| 4 (3) | ![]() | Fast and Furious 8 (2017) | £503,026 | £827,375 | £28,952,128 | -38% | 5 |
| 5 (2) | ![]() | A Dogs Purpose (2017) | £490,942 | £740,631 | £2,040,728 | -62% | 2 |
| 6 (new) | ![]() | Der Rosenkavalier: Met Opera 2017 (2017) | £313,652 | £313,652 | £313,652 | new | 1 |
| 7 (5) | ![]() | Beauty and the Beast (2017) | £306,600 | £444,528 | £71,625,390 | -27% | 9 |
| 8 (new) | ![]() | Miss Sloane (2016) | £190,295 | £190,295 | £190,295 | new | 1 |
| 9 (6) | ![]() | Sleepless (2017) | £158,910 | £357,269 | £726,404 | -57% | 2 |
| 10 (7) | ![]() | Their Finest (2017) | £133,646 | £391,068 | £3,640,266 | -59% | 4 |
| 11 (12) | ![]() | Smurfs: The Lost Village (2017) | £117,475 | £122,808 | £5,170,097 | 12% | 7 |
| 12 (14) | ![]() | Moulin Rouge (2001) Secret Cinema | £103,509 | £144,785 | £3,749,972 | 15% | 24 |
| 13 (8) | ![]() | Mindhorn (2017) | £84,123 | £195,955 | £476,438 | -70% | 2 |
| 14 (9) | ![]() | Baahubali 2: The Conclusion (2017) | £71,340 | £364,415 | £1,355,382 | -73% | 3 |
| 15 (new) | Frantz (2016) | £69,982 | £69,982 | £69,982 | new | 1 | |
| 16 (11) | ![]() | Lady Macbeth (2017) | £63,078 | £143,581 | £599,871 | -48% | 3 |
| 17 (new) | ![]() | Max 2: White House Hero (2017) | £56,319 | £56,319 | £56,319 | new | 1 |
| 18 (new) | Sarkar 3 (2018) | £53,253 | £53,253 | £53,253 | new | 1 | |
| 19 (new) | The Last Face (2017) | £46,414 | £46,414 | £46,414 | new | 1 | |
| 20 (16) | ![]() | Whisky Galore (2017) | £43,697 | £82,317 | £131,522 | -11% | 2 |
| 21 (new) | ![]() | Lahoriye (2017) | £43,234 | £43,234 | £43,234 | new | 1 |
| 22 (17) | ![]() | Peppa Pig: My First Cinema Experience (2017) | £35,171 | £44,932 | £3,396,415 | -27% | 6 |
| 23 (new) | Meri Pyaari Bindu (2017) | £31,387 | £31,387 | £31,387 | new | 1 | |
| 24 (new) | ![]() | The Levelling (2017) | £24,917 | £24,917 | £24,917 | new | 1 |
| 25 (new) | ![]() | Jawbone (2017) | £15,689 | £15,689 | £15,689 | new | 1 |
| 26 (19) | The Sense of An Ending (2017) | £11,446 | £41,270 | £1,113,459 | -54% | 5 | |
| 27 (20) | The Journey (2017) | £11,378 | £26,534 | £50,629 | -53% | 2 | |
| 28 (33) | ![]() | Lion (2017) | £9,978 | £19,667 | £11,762,574 | 69% | 17 |
| 29 (18) | ![]() | Lost In London (2017) | £5,608 | £9,352 | £34,600 | -78% | 3 |
| 30 (new) | ![]() | Radha (2017) | £4,853 | £4,853 | £4,853 | new | 1 |
| 31 (new) | Saravanan Irukka Bayamaen (2017) | £4,603 | £4,603 | £4,603 | new | 1 | |
| 32 (25) | A Quiet Passion (2017) | £3,966 | £9,814 | £289,171 | -46% | 6 | |
| 33 (27) | ![]() | Viceroys House (2017) | £3,930 | £17,972 | £4,047,491 | -26% | 11 |
| 34 (29) | ![]() | The Time of Their Lives (2017) | £3,518 | £21,063 | £569,799 | -20% | 7 |
| 35 (31) | Letters From Baghdad (2017) | £3,196 | £8,930 | £52,600 | -23% | 4 | |
| 36 (32) | Another Mother's Son (2017) | £3,025 | £13,860 | £315,289 | -26% | 8 | |
| 37 (26) | Mad to Be Normal (2017) | £1,669 | £4,269 | £36,489 | -72% | 6 | |
| 38 (22) | Rosencrantz and Guildenstern Are Dead: NT Live 2017 (2017) | £1,501 | £15,453 | £826,692 | -80% | 5 | |
| 39 (34) | Finding Fatimah (2017) | £1,349 | £2,739 | £50,965 | -34% | 4 | |
| 40 (re) | ![]() | Obsession: NT Live 2017 (2017) | £1,261 | £1,261 | £215,767 | re | 1 |
| 41 (re) | ![]() | Twelfth Night: NT Live 2017 (2017) | £1,220 | £1,220 | £810,456 | re | 5 |
| 42 (37) | ![]() | Free Fire (2017) | £1,051 | £2,675 | £931,726 | -18% | 7 |
| 43 (39) | ![]() | Julius Caesar: RSC Live 2017 (2017) | £358 | £1,057 | £297,563 | -68% | 2 |
| 44 (re) | ![]() | Dancer (2017) | £201 | £201 | £258,932 | re | 8 |
| 45 (38) | ![]() | Burden (2017) | £136 | £313 | £1,486 | -88% | 2 |
| 46 (42) | Bunch of Kunst (2017) | £104 | £1,013 | £21,298 | -65% | 4 | |