UK Box Office 4th June, 2021
| Title | Weekend | Week | Total | % Change | Total Weeks | ||
| 1 (new) |  | A Quiet Place: Part II (2021) | £3,567,048 | £3,567,048 | £3,567,048 | new | 1 |
| 2 (2) |  | Peter Rabbit 2: The Runaway (2021) | £2,045,576 | £5,131,096 | £12,615,157 | 0% | 3 |
| 3 (3) |  | Cruella (2021) | £1,284,098 | £3,041,341 | £4,494,976 | -12% | 2 |
| 4 (1) |  | The Conjuring: The Devil Made Me Do It (2021) | £1,039,094 | £2,604,170 | £5,312,625 | -62% | 2 |
| 5 (new) |  | Dream Horse (2021) | £209,389 | £209,389 | £209,389 | new | 1 |
| 6 (5) |  | Godzilla Vs. Kong (2021) | £159,230 | £477,359 | £2,213,658 | -37% | 3 |
| 7 (9) |  | Tom & Jerry: The Movie (2021) | £96,797 | £236,228 | £694,704 | 18% | 3 |
| 8 (6) |  | Nomadland (2021) | £87,649 | £261,576 | £1,694,952 | -52% | 3 |
| 9 (10) |  | Raya and the Last Dragon (2021) | £81,460 | £217,591 | £548,132 | 18% | 3 |
| 10 (4) |  | Demon Slayer The Movie: Mugen Train (2020) | £74,827 | £308,705 | £1,001,786 | -89% | 2 |
| 11 (7) |  | Spiral: From the Book of Saw (2021) | £65,571 | £185,875 | £1,387,528 | -58% | 3 |
| 12 (new) | Felix and the Hidden Treasure (2021) | £43,011 | £43,011 | £43,011 | new | 1 | |
| 13 (new) |  | The Lord of the Rings: The Return of the King (2003) Extended Edition | £24,651 | £24,651 | £24,651 | RE | 16 |
| 14 (new) |  | After Love (2021) | £24,495 | £24,495 | £24,495 | new | 1 |
| 15 (new) | Second Half (2021) | £23,788 | £23,788 | £23,788 | new | 1 | |