| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (new) |  | The Suicide Squad (2021) | £3,252,028 | £3,252,028 | £3,252,028 | new | 1 |
| 2 (new) |  | Jungle Cruise (2021) | £2,241,651 | £2,241,651 | £2,241,651 | new | 1 |
| 3 (2) |  | Space Jam: A New Legacy (2021) | £1,286,798 | £2,956,260 | £6,569,403 | -8% | 3 |
| 4 (3) |  | The Croods: A New Age (2020) | £893,054 | £2,150,276 | £4,204,385 | 2% | 3 |
| 5 (1) |  | Black Widow (2021) | £788,028 | £2,231,332 | £16,061,449 | -44% | 4 |
| 6 (new) |  | Spirit Untamed (2021) | £592,154 | £592,154 | £592,154 | new | 1 |
| 7 (4) |  | Old (2021) | £512,071 | £1,267,966 | £2,134,826 | -41% | 2 |
| 8 (5) |  | The Forever Purge (2021) | £340,060 | £913,569 | £2,714,354 | -43% | 3 |
| 9 (6) |  | Fast and Furious 9 (2021) | £233,211 | £675,248 | £15,607,453 | -47% | 6 |
| 10 (8) |  | Peter Rabbit 2: The Runaway (2021) | £135,446 | £449,177 | £19,331,664 | -15% | 11 |
| 11 (new) |  | The Sparks Brother's (2021) | £123,005 | £123,005 | £123,005 | new | 1 |
| 12 (7) |  | Escape Room: Tournament of Champions (2021) | £75,069 | £261,021 | £931,526 | -57% | 3 |
| 13 (new) |  | Limbo (2020) | £50,600 | £50,600 | £50,600 | new | 1 |
| 14 (9) |  | A Quiet Place: Part II (2021) | £40,420 | £144,541 | £11,547,774 | -52% | 9 |
| 15 (13) |  | Summer of Soul (...Or, When the Revolution Could Not Be Televised) (2021) | £39,238 | £91,781 | £259,321 | -15% | 3 |