| Title | Weekend | Week | Total | % Change | Total Weeks | ||
| 1 (1) | ![]() | Ralph Breaks the Internet: Wreck-It Ralph 2 (2018) | £2,446,583 | £3,372,012 | £7,404,787 | -39% | 2 |
| 2 (4) | ![]() | The Grinch (2018) | £2,001,598 | £2,489,065 | £19,491,600 | -14% | 5 |
| 3 (2) | ![]() | Creed II (2018) | £1,717,275 | £2,998,611 | £5,990,120 | -43% | 2 |
| 4 (3) | ![]() | Fantastic Beasts: The Crimes of Grindelwald (2018) | £1,468,736 | £2,517,977 | £29,271,816 | -46% | 4 |
| 5 (5) | ![]() | Bohemian Rhapsody (2018) | £978,075 | £1,969,354 | £43,988,347 | -36% | 7 |
| 6 (7) | ![]() | Nativity Rocks! (2018) | £331,701 | £428,376 | £1,905,067 | -29% | 3 |
| 7 (new) | ![]() | The Old Man and the Gun (2018) | £317,831 | £317,831 | £317,831 | new | 1 |
| 8 (new) | Sorry to Bother You (2018) | £250,453 | £250,453 | £250,453 | new | 1 | |
| 9 (re) | Nutcracker: ROH London 2018 Ballet (2018) | £191,828 | £191,828 | £1,082,847 | re | 1 | |
| 10 (8) | ![]() | Robin Hood (2018) | £146,557 | £366,638 | £2,608,701 | -63% | 3 |
| 11 (11) | ![]() | The Nutcracker and the Four Realms (2018) | £140,213 | £188,582 | £5,300,866 | -31% | 6 |
| 12 (10) | ![]() | A Star Is Born (2018) | £115,224 | £307,040 | £28,905,294 | -48% | 10 |
| 13 (9) | ![]() | Widows (2018) | £113,572 | £251,376 | £6,043,546 | -49% | 5 |
| 14 (6) | ![]() | 2.0 (2018) | £89,058 | £158,424 | £691,653 | -83% | 2 |
| 15 (new) | ![]() | Die Hard (1988) 30th Anniversary | £86,628 | £86,628 | £86,628 | re | 11 |