| 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 |