| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (new) |  | Fifty Shades Freed (2018) | £6,132,414 | £6,132,414 | £6,132,414 | new | 1 |
| 2 (1) |  | The Greatest Showman (2017) | £1,925,895 | £2,879,429 | £26,106,298 | -13% | 7 |
| 3 (2) |  | Coco (2018) | £1,213,572 | £1,452,664 | £11,674,613 | -27% | 4 |
| 4 (4) |  | Early Man (2018) | £1,130,466 | £1,377,948 | £5,306,430 | -25% | 3 |
| 5 (3) |  | Darkest Hour (2018) | £980,171 | £1,973,450 | £20,655,548 | -40% | 5 |
| 6 (5) |  | Maze Runner: The Death Cure (2018) | £747,585 | £1,150,970 | £5,472,653 | -45% | 3 |
| 7 (6) |  | Den of Thieves (2018) | £599,326 | £1,165,984 | £2,248,544 | -45% | 2 |
| 8 (8) |  | Three Billboards Outside Ebbing, Missouri (2018) | £592,089 | £1,164,089 | £10,599,221 | -33% | 5 |
| 9 (9) |  | Jumanji: Welcome to the Jungle (2017) | £564,716 | £773,832 | £36,117,315 | -35% | 8 |
| 10 (7) |  | The Post (2018) | £471,794 | £1,132,313 | £8,355,968 | -51% | 4 |
| 11 (10) |  | Phantom Thread (2018) | £434,351 | £931,888 | £1,658,992 | -40% | 2 |
| 12 (new) |  | Tad the Lost Explorer and the Secret of King Midas (2018) | £302,312 | £302,312 | £302,312 | new | 1 |
| 13 (new) |  | The Mercy (2018) | £301,138 | £301,138 | £301,138 | new | 1 |
| 14 (new) |  | The 15:17 to Paris (2018) | £290,576 | £290,576 | £290,576 | new | 1 |
| 15 (new) | | L'Elisir D'Amore: Met Opera 2017 (2018) | £214,104 | £214,104 | £214,104 | new | 1 |
| 16 (20) |  | Paddington 2 (2017) | £209,301 | £229,872 | £41,854,062 | 69% | 14 |
| 17 (new) |  | Status Update (2018) | £137,886 | £137,886 | £137,886 | new | 1 |
| 18 (new) |  | Loveless (2018) | £126,253 | £126,253 | £126,253 | new | 1 |
| 19 (new) |  | Padman (2018) | £116,978 | £116,978 | £116,978 | new | 1 |
| 20 (14) |  | The Commuter (2018) | £73,343 | £226,561 | £3,869,814 | -73% | 4 |
| 21 (16) |  | Star Wars: The Last Jedi (2017) | £57,866 | £117,843 | £82,545,761 | -57% | 9 |
| 22 (re) | | Tosca: ROH London 2017/18 (2018) | £52,339 | £52,339 | £680,776 | re | 1 |
| 23 (17) |  | Journeys End (2018) | £38,501 | £161,140 | £285,101 | -69% | 2 |
| 24 (new) | | Kalakalappu 2 (2018) | £11,027 | £11,027 | £11,027 | new | 1 |
| 25 (21) |  | All the Money In the World (2018) | £6,199 | £32,016 | £3,162,234 | -74% | 6 |
| 26 (27) |  | Walk With Me (2017) | £4,926 | £6,967 | £148,403 | 33% | 5 |
| 27 (new) | | Kayhan (2018) | £3,761 | £3,761 | £3,761 | new | 1 |
| 28 (33) |  | Murder On the Orient Express (2017) | £2,901 | £15,432 | £24,140,635 | 68% | 14 |
| 29 (new) |  | Aadhi (2018) | £2,666 | £2,666 | £2,666 | new | 1 |
| 30 (35) |  | Loving Vincent (2017) | £2,505 | £6,700 | £998,911 | 83% | 17 |
| 31 (28) |  | The Death of Stalin (2017) | £2,063 | £6,752 | £5,116,925 | -27% | 16 |
| 32 (38) |  | Film Stars Don't Die In Liverpool (2017) | £2,025 | £6,449 | £1,029,265 | 97% | 12 |
| 33 (new) |  | Around India With a Movie Camera (2018) | £853 | £853 | £853 | new | 1 |
| 34 (30) |  | Dunkirk (2017) | £476 | £4,702 | £56,712,549 | -79% | 27 |
| 35 (34) |  | Eric Clapton: Life In 12 Bars (2018) | £234 | £3,742 | £204,170 | -63% | 4 |
| 36 (36) |  | Justice League (2017) | £161 | £265 | £17,427,332 | 20% | 12 |
| 37 (re) |  | Victoria and Abdul (2017) | £77 | £77 | £10,107,888 | re | 19 |