| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (1) |  | Black Panther (2018) | £6,859,230 | £11,840,019 | £29,540,019 | -61% | 2 |
| 2 (4) |  | The Greatest Showman (2017) | £2,000,922 | £3,149,284 | £33,563,952 | 4% | 9 |
| 3 (new) |  | Lady Bird (2017) | £1,233,508 | £1,233,508 | £1,233,508 | new | 1 |
| 4 (2) |  | Fifty Shades Freed (2018) | £1,190,524 | £2,833,843 | £16,195,582 | -56% | 3 |
| 5 (new) |  | I, Tonya (2017) | £1,049,551 | £1,049,551 | £1,049,551 | new | 1 |
| 6 (new) |  | Finding Your Feet (2018) | £923,220 | £923,220 | £923,220 | new | 1 |
| 7 (3) |  | The Shape of Water (2018) | £900,402 | £1,961,241 | £4,427,458 | -63% | 2 |
| 8 (5) |  | Coco (2018) | £759,419 | £1,370,004 | £16,626,169 | -46% | 6 |
| 9 (6) |  | Early Man (2018) | £563,868 | £1,084,591 | £9,625,584 | -51% | 5 |
| 10 (9) |  | Three Billboards Outside Ebbing, Missouri (2018) | £514,101 | £1,090,038 | £12,456,741 | 21% | 7 |
| 11 (7) |  | Darkest Hour (2018) | £362,412 | £862,076 | £22,802,904 | -34% | 7 |
| 12 (new) | | La Bohème: Met Opera 2018 (2018) | £309,798 | £309,798 | £309,798 | new | 1 |
| 13 (8) |  | Jumanji: Welcome to the Jungle (2017) | £287,147 | £508,780 | £37,705,852 | -37% | 10 |
| 14 (re) |  | Ferdinand (2017) | £196,551 | £196,551 | £9,680,122 | re | 6 |
| 15 (10) |  | Maze Runner: The Death Cure (2018) | £131,085 | £278,603 | £6,667,941 | -60% | 5 |
| 16 (13) |  | Paddington 2 (2017) | £68,943 | £147,036 | £42,600,625 | -66% | 16 |
| 17 (15) |  | Phantom Thread (2018) | £62,627 | £234,333 | £2,383,263 | -66% | 4 |
| 18 (new) | | Dark River (2018) | £41,541 | £41,541 | £41,541 | new | 1 |
| 19 (new) |  | Monster Hunt 2 (2018) | £41,106 | £41,106 | £41,106 | new | 1 |
| 20 (new) | | Welcome to New York (2018) | £35,025 | £35,025 | £35,025 | new | 1 |
| 21 (new) |  | Sonu Ke Titu Ki Sweety (2018) | £33,586 | £33,586 | £33,586 | new | 1 |
| 22 (16) |  | The Mercy (2018) | £32,462 | £107,399 | £737,191 | -49% | 3 |
| 23 (new) |  | Klasės Susitikimas. Berniukai Sugrįzta! (2018) | £16,065 | £16,065 | £16,065 | new | 1 |
| 24 (20) |  | Star Wars: The Last Jedi (2017) | £15,016 | £29,756 | £82,650,404 | -52% | 11 |
| 25 (19) |  | Journeys End (2018) | £14,601 | £53,893 | £412,008 | -54% | 4 |
| 26 (21) |  | The Commuter (2018) | £11,232 | £22,328 | £3,944,463 | -49% | 6 |
| 27 (re) |  | Cat On a Hot Tin Roof: NT Live 2018 (2018) | £9,787 | £9,787 | £639,967 | re | 1 |
| 28 (new) | | Gujjubhai Most Wanted (2018) | £7,353 | £7,353 | £7,353 | new | 1 |
| 29 (new) |  | The Ice King (2018) | £6,178 | £6,178 | £6,178 | new | 1 |
| 30 (24) | | Twelfth Night: RSC Live 2018 (2018) | £2,902 | £21,734 | £605,945 | -34% | 2 |
| 31 (new) |  | Birth of the Dragon (2018) | £2,275 | £2,275 | £2,275 | new | 1 |
| 32 (28) |  | Walk With Me (2017) | £2,244 | £5,745 | £160,316 | 37% | 7 |
| 33 (31) |  | Loving Vincent (2017) | £1,594 | £3,897 | £1,008,188 | 62% | 19 |
| 34 (27) |  | All the Money In the World (2018) | £1,571 | £5,832 | £3,182,087 | -8% | 8 |
| 35 (33) | | Exhibition On Screen: Cézanne 2018 (2018) | £748 | £1,327 | £127,279 | 26% | 4 |
| 36 (new) | | Hey Jude (2018) | £601 | £601 | £601 | new | 1 |
| 37 (re) |  | The Killing of a Sacred Deer (2017) | £400 | £400 | £857,392 | re | 12 |
| 38 (26) |  | Dunkirk (2017) | £379 | £9,260 | £56,724,484 | -81% | 29 |
| 39 (re) |  | Murder On the Orient Express (2017) | £252 | £252 | £24,150,170 | re | 15 |
| 40 (new) | | Native (2018) | £174 | £174 | £174 | new | 1 |
| 41 (32) |  | Film Stars Don't Die In Liverpool (2017) | £131 | £30,889 | £1,076,553 | -77% | 14 |