| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (new) |  | The Grinch (2018) | £5,019,677 | £5,019,677 | £5,019,677 | new | 1 |
| 2 (1) |  | Bohemian Rhapsody (2018) | £4,559,647 | £8,479,545 | £28,907,411 | -21% | 3 |
| 3 (new) |  | Widows (2018) | £2,409,112 | £2,409,112 | £2,409,112 | new | 1 |
| 4 (2) |  | A Star Is Born (2018) | £1,248,295 | £2,534,577 | £25,464,451 | -31% | 6 |
| 5 (3) |  | The Nutcracker and the Four Realms (2018) | £1,115,243 | £1,681,322 | £3,414,557 | -36% | 2 |
| 6 (new) |  | Overlord (2018) | £677,844 | £677,844 | £677,844 | new | 1 |
| 7 (new) | | Thugs of Hindostan (2018) | £497,663 | £497,663 | £497,663 | new | 1 |
| 8 (5) |  | Johnny English Strikes Again (2018) | £477,937 | £702,504 | £17,081,899 | -54% | 6 |
| 9 (4) |  | Smallfoot (2018) | £360,893 | £474,833 | £10,649,144 | -68% | 5 |
| 10 (18) |  | They Shall Not Grow Old (2018) | £271,302 | £271,302 | £1,133,754 | 87% | 4 |
| 11 (6) |  | Goosebumps 2: Haunted Halloween (2018) | £246,906 | £325,221 | £7,434,677 | -72% | 4 |
| 12 (7) |  | Halloween (2018) | £228,185 | £553,952 | £8,725,496 | -71% | 4 |
| 13 (8) |  | Venom (2018) | £191,476 | £375,050 | £19,907,988 | -62% | 6 |
| 14 (re) | | Sarkar 3 (2018) | £174,364 | £174,364 | £227,617 | RE | 2 |
| 15 (10) |  | Peterloo (2018) | £151,472 | £378,050 | £726,747 | -57% | 2 |