| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (new) |  | Spider-Man: Across the Spider-Verse (2023) | £9,159,823 | £9,159,823 | £9,159,823 | new | 1 |
| 2 (1) |  | The Little Mermaid (2023) | £4,225,713 | £11,201,912 | £16,214,841 | -16% | 2 |
| 3 (2) |  | Fast X (2023) | £1,074,873 | £3,101,072 | £13,304,583 | -52% | 3 |
| 4 (3) |  | Guardians of the Galaxy Vol. 3 (2023) | £993,389 | £2,946,325 | £34,604,975 | -38% | 5 |
| 5 (new) |  | The Boogeyman (2023) | £492,071 | £492,071 | £492,071 | new | 1 |
| 6 (4) |  | The Super Mario Bros. Movie (2023) | £270,716 | £946,901 | £53,207,195 | -7% | 9 |
| 7 (new) |  | SUGA | Agust D Tour 'D-Day' In Japan Live Viewing (2023) | £119,465 | £119,465 | £119,465 | new | 1 |
| 8 (new) | | Die Zauberflöte: Met Opera 2023 (2023) | £104,669 | £104,669 | £104,669 | new | 1 |
| 9 (new) |  | Reality (2023) | £62,987 | £62,987 | £62,987 | new | 1 |
| 10 (new) | | Zara Hatke Zara Bachke (2023) | £59,499 | £59,499 | £59,499 | new | 1 |
| 11 (5) |  | Hypnotic (2023) | £54,250 | £230,667 | £447,919 | -75% | 2 |
| 12 (6) |  | Sisu (2023) | £49,029 | £183,789 | £328,356 | -66% | 2 |
| 13 (7) |  | Are You There God? It's Me, Margaret (2023) | £46,305 | £11,137 | £628,356 | -51% | 3 |
| 14 (new) |  | The Machine (2023) | £36,377 | £36,377 | £36,377 | new | 1 |
| 15 (re) |  | Mummies (2023) | £25,907 | £25,907 | £3,096,154 | RE | 9 |