| Title | Weekend | Week | Total | % Change | Total Weeks | ||
| 1 (1) | ![]() | Rampage (2018) | £1,413,973 | £2,374,530 | £6,483,777 | -66% | 2 |
| 2 (3) | ![]() | A Quiet Place (2018) | £1,024,722 | £1,912,546 | £8,262,665 | -46% | 3 |
| 3 (new) | ![]() | The Guernsey Literary and Potato Peel Pie Society (2018) | £825,777 | £825,777 | £825,777 | new | 1 |
| 4 (4) | ![]() | Ready Player One (2018) | £503,099 | £937,534 | £15,439,019 | -57% | 4 |
| 5 (2) | ![]() | Peter Rabbit (2018) | £487,412 | £799,435 | £38,892,842 | -76% | 6 |
| 6 (5) | ![]() | Truth Or Dare (2018) | £401,031 | £788,126 | £1,719,375 | -57% | 2 |
| 7 (6) | ![]() | The Greatest Showman (2017) | £304,478 | £518,733 | £45,446,913 | -51% | 17 |
| 8 (7) | ![]() | Love, Simon (2018) | £274,213 | £515,548 | £3,265,492 | -56% | 3 |
| 9 (9) | ![]() | Black Panther (2018) | £235,388 | £401,118 | £49,858,826 | -48% | 10 |
| 10 (15) | ![]() | Blade Runner (1982) Rerelease | £228,962 | £146,906 | £823,764 | 0% | 10 |
| 11 (8) | ![]() | Isle of Dogs (2018) | £159,442 | £367,897 | £5,498,924 | -68% | 4 |
| 12 (10) | Duck Duck Goose (2018) | £115,644 | £142,728 | £3,372,496 | -68% | 4 | |
| 13 (12) | ![]() | Blockers (2018) | £113,814 | £251,002 | £3,808,366 | -59% | 4 |
| 14 (new) | The Leisure Seeker (2018) | £105,129 | £105,129 | £105,129 | new | 1 | |
| 15 (13) | ![]() | Ghost Stories (2018) | £82,479 | £243,402 | £1,495,625 | -69% | 3 |