| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (new) |  | Onward (2020) | £3,419,500 | £3,419,500 | £3,419,500 | new | 1 |
| 2 (1) |  | The Invisible Man (2020) | £1,538,985 | £2,838,370 | £5,002,167 | -29% | 2 |
| 3 (new) |  | Military Wives (2020) | £968,468 | £968,468 | £968,468 | new | 1 |
| 4 (2) |  | Sonic the Hedgehog (2020) | £951,103 | £1,243,586 | £18,459,137 | -51% | 4 |
| 5 (3) |  | Parasite (2019) | £529,550 | £1,098,834 | £11,460,342 | -49% | 5 |
| 6 (4) |  | Dark Waters (2020) | £499,276 | £1,031,624 | £1,892,566 | -42% | 2 |
| 7 (new) |  | Fantasy Island (2020) | £392,857 | £392,857 | £392,857 | new | 1 |
| 8 (5) |  | Dolittle (2020) | £362,693 | £505,561 | £15,692,992 | -57% | 5 |
| 9 (re) |  | Riverdance 25th Anniversary Show (2020) | £313,000 | £313,000 | £640,390 | RE | 1 |
| 10 (6) |  | Emma. (2020) | £284,518 | £869,593 | £7,072,620 | -58% | 4 |
| 11 (7) |  | 1917 (2019) | £247,291 | £589,219 | £43,436,453 | -59% | 9 |
| 12 (8) |  | The Call of the Wild (2020) | £187,960 | £346,786 | £2,662,700 | -63% | 3 |
| 13 (new) |  | Baaghi 3 (2020) | £165,176 | £165,176 | £165,176 | new | 1 |
| 14 (9) |  | Birds of Prey (And the Fantabulous Emancipation of One Harley Quinn) (2020) | £136,845 | £319,040 | £8,705,687 | -62% | 5 |
| 15 (10) |  | Bad Boys For Life (2020) | £136,447 | £249,463 | £15,953,076 | -45% | 8 |