| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (new) |  | Barbie (2023) | £18,509,235 | £18,509,235 | £18,509,235 | new | 1 |
| 2 (new) |  | Oppenheimer (2023) | £10,891,486 | £10,891,486 | £10,891,486 | new | 1 |
| 3 (1) |  | Mission:Impossible - Dead Reckoning Part 1 (2023) | £2,891,093 | £6,043,913 | £16,434,929 | -72% | 2 |
| 4 (2) |  | Elemental (2023) | £1,430,063 | £2,329,859 | £8,960,702 | -42% | 3 |
| 5 (3) |  | Indiana Jones and the Dial of Destiny (2023) | £677,203 | £1,651,464 | £17,999,463 | -62% | 4 |
| 6 (4) |  | Insidious: The Red Door (2023) | £535,267 | £1,409,331 | £6,537,978 | -65% | 3 |
| 7 (5) |  | Spider-Man: Across the Spider-Verse (2023) | £266,020 | £643,872 | £29,514,961 | -61% | 8 |
| 8 (6) |  | The Little Mermaid (2023) | £113,018 | £279,851 | £26,819,907 | -69% | 9 |
| 9 (9) |  | Ruby Gillman, Teenage Kraken (2023) | £86,002 | £173,927 | £2,092,249 | -64% | 4 |
| 10 (16) |  | The Super Mario Bros. Movie (2023) | £75,935 | £80,405 | £54,280,405 | 49% | 16 |
| 11 (7) |  | Asteroid City (2023) | £60,348 | £296,817 | £4,725,398 | -81% | 5 |
| 12 (10) |  | Transformers: Rise of the Beasts (2023) | £44,617 | £139,654 | £8,114,370 | -74% | 7 |
| 13 (8) |  | No Hard Feelings (2023) | £39,436 | £201,097 | £3,881,194 | -85% | 5 |
| 14 (15) | | Puffin Rock and the New Friends (2023) | £22,243 | £40,518 | £79,261 | -43% | 2 |
| 15 (new) |  | CoComelon: Best of Episodes (2023) | £16,274 | £16,274 | £16,274 | new | 1 |