| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (1) |  | Black Panther (2018) | £3,736,954 | £5,822,211 | £35,362,230 | -46% | 3 |
| 2 (new) |  | Red Sparrow (2018) | £1,843,124 | £1,843,124 | £1,843,124 | new | 1 |
| 3 (2) |  | The Greatest Showman (2017) | £1,239,069 | £1,701,379 | £35,265,331 | -38% | 10 |
| 4 (new) |  | Game Night (2018) | £1,094,478 | £1,094,478 | £1,094,478 | new | 1 |
| 5 (3) |  | Lady Bird (2017) | £926,935 | £1,390,032 | £2,623,540 | -25% | 2 |
| 6 (new) | | Kobiety Mafii (2018) | £570,540 | £570,540 | £570,540 | new | 1 |
| 7 (8) |  | Coco (2018) | £556,898 | £638,596 | £17,264,765 | -27% | 7 |
| 8 (5) |  | I, Tonya (2017) | £547,455 | £961,977 | £2,011,528 | -48% | 2 |
| 9 (6) |  | Finding Your Feet (2018) | £465,621 | £1,204,578 | £2,127,798 | -50% | 2 |
| 10 (7) |  | The Shape of Water (2018) | £418,969 | £851,557 | £5,279,015 | -53% | 3 |
| 11 (9) |  | Early Man (2018) | £409,402 | £456,989 | £10,082,573 | -27% | 6 |
| 12 (10) |  | Three Billboards Outside Ebbing, Missouri (2018) | £403,099 | £673,539 | £13,130,280 | -22% | 8 |
| 13 (4) |  | Fifty Shades Freed (2018) | £346,818 | £817,049 | £17,012,631 | -71% | 4 |
| 14 (13) |  | Jumanji: Welcome to the Jungle (2017) | £169,812 | £216,132 | £37,921,984 | -41% | 11 |
| 15 (11) |  | Darkest Hour (2018) | £162,077 | £364,002 | £23,166,906 | -55% | 8 |