UK Box Office 23rd March, 2018
| Title | Weekend | Week | Total | % Change | Total Weeks | ||
| 1 (1) |  | Peter Rabbit (2018) | £4,595,239 | £6,365,880 | £13,639,087 | -37% | 2 |
| 2 (new) |  | Pacific Rim Uprising (2018) | £1,655,186 | £1,655,186 | £1,655,186 | new | 1 |
| 3 (3) |  | Black Panther (2018) | £1,308,281 | £2,112,919 | £44,892,064 | -30% | 6 |
| 4 (2) |  | Tomb Raider (2018) | £1,186,436 | £2,390,625 | £5,472,541 | -62% | 2 |
| 5 (4) |  | The Greatest Showman (2017) | £753,420 | £1,208,746 | £40,112,949 | -29% | 13 |
| 6 (new) |  | A Wrinkle In Time (2018) | £655,542 | £655,542 | £655,542 | new | 1 |
| 7 (new) |  | Unsane (2018) | £478,451 | £478,451 | £478,451 | new | 1 |
| 8 (new) |  | Blade Runner (1982) Rerelease | £349,492 | £349,492 | £349,492 | RE | 8 |
| 9 (5) |  | Red Sparrow (2018) | £297,675 | £629,350 | £5,907,449 | -49% | 4 |
| 10 (6) |  | Game Night (2018) | £295,869 | £616,608 | £4,266,893 | -45% | 4 |
| 11 (9) |  | Finding Your Feet (2018) | £168,189 | £553,102 | £4,990,777 | -41% | 5 |
| 12 (7) |  | Lady Bird (2017) | £149,381 | £376,970 | £5,079,887 | -49% | 5 |
| 13 (8) |  | The Shape of Water (2018) | £143,962 | £333,985 | £7,312,082 | -50% | 6 |
| 14 (13) |  | Three Billboards Outside Ebbing, Missouri (2018) | £143,670 | £306,158 | £14,693,527 | -32% | 11 |
| 15 (14) |  | I, Tonya (2017) | £125,594 | £270,893 | £3,564,608 | -39% | 5 |