| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (1) |  | A Quiet Place: Part II (2021) | £1,314,938 | £2,854,957 | £6,422,005 | -63% | 2 |
| 2 (2) |  | Peter Rabbit 2: The Runaway (2021) | £798,985 | £1,329,486 | £13,944,643 | -61% | 4 |
| 3 (3) |  | Cruella (2021) | £732,285 | £1,420,630 | £5,915,606 | -43% | 3 |
| 4 (4) |  | The Conjuring: The Devil Made Me Do It (2021) | £664,829 | £1,467,748 | £6,780,373 | -36% | 3 |
| 5 (new) |  | Nobody (2021) | £574,399 | £574,399 | £574,399 | new | 1 |
| 6 (new) |  | The Father (2021) | £397,418 | £397,418 | £397,418 | new | 1 |
| 7 (6) |  | Godzilla Vs. Kong (2021) | £112,197 | £216,346 | £2,430,004 | -30% | 4 |
| 8 (5) |  | Dream Horse (2021) | £79,992 | £268,808 | £478,197 | -62% | 2 |
| 9 (7) |  | Tom & Jerry: The Movie (2021) | £53,590 | £79,451 | £774,155 | -45% | 4 |
| 10 (8) |  | Nomadland (2021) | £43,196 | £151,516 | £1,846,468 | -51% | 4 |
| 11 (11) |  | Spiral: From the Book of Saw (2021) | £41,348 | £108,575 | £1,496,103 | -37% | 4 |
| 12 (9) |  | Raya and the Last Dragon (2021) | £40,975 | £56,443 | £604,575 | -50% | 4 |
| 13 (10) |  | Demon Slayer The Movie: Mugen Train (2020) | £40,428 | £356,035 | £1,357,821 | -46% | 3 |
| 14 (re) | | Phil Lynott: Songs For While I'm Away (2021) | £13,811 | £13,811 | £26,538 | RE | 5 |
| 15 (14) |  | After Love (2021) | £9,810 | £32,982 | £57,477 | -60% | 2 |