| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (new) |  | Ralph Breaks the Internet: Wreck-It Ralph 2 (2018) | £4,032,775 | £4,032,775 | £4,032,775 | new | 1 |
| 2 (new) |  | Creed II (2018) | £2,991,509 | £2,991,509 | £2,991,509 | new | 1 |
| 3 (1) |  | Fantastic Beasts: The Crimes of Grindelwald (2018) | £2,709,967 | £4,710,049 | £26,753,839 | -52% | 3 |
| 4 (2) |  | The Grinch (2018) | £2,317,766 | £2,922,940 | £17,002,535 | -29% | 4 |
| 5 (3) |  | Bohemian Rhapsody (2018) | £1,534,249 | £3,015,289 | £42,018,993 | -31% | 6 |
| 6 (new) |  | 2.0 (2018) | £533,229 | £533,229 | £533,229 | new | 1 |
| 7 (5) |  | Nativity Rocks! (2018) | £466,050 | £642,277 | £1,476,691 | -44% | 2 |
| 8 (4) |  | Robin Hood (2018) | £392,198 | £911,676 | £2,242,063 | -71% | 2 |
| 9 (7) |  | Widows (2018) | £221,496 | £525,239 | £5,792,170 | -52% | 4 |
| 10 (8) |  | A Star Is Born (2018) | £221,455 | £565,970 | £28,598,254 | -47% | 9 |
| 11 (9) |  | The Nutcracker and the Four Realms (2018) | £202,199 | £273,144 | £5,112,284 | -46% | 5 |
| 12 (new) |  | Disobedience (2018) | £193,907 | £193,907 | £193,907 | new | 1 |
| 13 (new) |  | Pokémon The Movie: The Power of Us (2018) | £177,750 | £177,750 | £177,750 | new | 1 |
| 14 (new) |  | The Possession of Hannah Grace (2018) | £113,537 | £113,537 | £113,537 | new | 1 |
| 15 (new) | | Plagi Breslau (2018) | £88,271 | £88,271 | £88,271 | new | 1 |