UK Weekend Box Office
UK Box Office 18th September, 2020
| Title | Weekend | Week | Total | % Change | Total Weeks | ||
| 1 (1) |  | Tenet () | £796,309 | £1,433,057 | £13,879,635 | -35% | 4 |
| 2 (2) |  | After We Collided (2020) | £598,294 | £956,096 | £1,719,760 | 26% | 3 |
| 3 (new) |  | Bill & Ted Face the Music () | £462,051 | £462,051 | £462,051 | new | 1 |
| 4 (new) |  | André Rieu's Magical Maastricht: Together In Music () | £124,101 | £124,101 | £124,101 | new | 1 |
| 5 (4) |  | The New Mutants (2020) | £106,199 | £212,910 | £1,314,899 | -47% | 3 |
| 6 (5) |  | Onward () | £85,058 | £97,960 | £7,166,128 | -13% | 15 |
| 7 (new) |  | Rocks () | £75,478 | £75,478 | £75,478 | new | 1 |
| 8 (8) |  | 100% Wolf () | £58,749 | £64,692 | £1,185,342 | -23% | 8 |
| 9 (new) | White Riot (2019) | £47,898 | £47,898 | £47,898 | new | 1 | |
| 10 (9) |  | Unhinged () | £47,319 | £82,842 | £1,653,168 | -24% | 8 |
| 11 (6) |  | The Broken Hearts Gallery () | £42,528 | £102,375 | £189,943 | -51% | 2 |
| 12 (10) |  | Trolls World Tour () | £27,172 | £30,812 | £841,650 | -28% | 12 |
| 13 (3) |  | Break the Silence: The Movie () | £24,802 | £25,719 | £399,779 | -93% | 2 |
| 14 (11) |  | Pinocchio () | £23,586 | £28,715 | £761,056 | -31% | 6 |
| 15 (15) |  | Memories of Murder (2003) Rerelease | £16,860 | £31,119 | £49,918 | -10% | 2 |
| 16 (new) |  | The Eight Hundred () | £15,109 | £15,109 | £15,109 | new | 1 |
| 17 (40) |  | Harry Potter and the Deathly Hallows Part 2 () Rerelease | £8,847 | £8,847 | £116,794 | 95% | 26 |
| 18 (re) |  | Harry Potter and the Deathly Hallows Part 1 () Rerelease | £8,647 | £8,647 | £27,390 | re | 29 |
| 19 (13) |  | The Roads Not Taken () | £8,368 | £29,308 | £57,050 | -70% | 2 |
| 20 (24) |  | Harry Potter and the Prisoner of Azkaban () Rerelease | £3,349 | £3,349 | £48,415 | -3% | 21 |
| 21 (20) |  | Hope Gap () | £2,501 | £15,440 | £147,297 | -65% | 4 |
| 22 (new) | The Man In the Hat () | £2,385 | £2,385 | £2,385 | new | 1 | |
| 23 (23) |  | Timmy's Cinema Adventure () | £2,192 | £3,457 | £44,847 | -42% | 5 |
| 24 (re) |  | 1917 (2019) | £1,858 | £1,858 | £43,946,049 | re | 21 |
| 25 (26) |  | Summerland (2020) | £1,658 | £4,589 | £126,584 | -25% | 8 |
| 26 (new) | Nocturnal () | £1,424 | £1,424 | £1,424 | new | 1 | |
| 27 (29) |  | Harry Potter and the Goblet of Fire (2005) Rerelease | £1,204 | £1,204 | £27,123 | -28% | 19 |
| 28 (new) | Hurt By Paradise () | £1,024 | £1,024 | £1,024 | new | 1 | |
| 29 (re) |  | Emma. () | £915 | £915 | £7,455,290 | re | 11 |
| 30 (30) |  | Fleabag: NT Live 2019 (2019) | £894 | £1,389 | £4,412,578 | -31% | 27 |
| 31 (re) |  | Hansard: NT Live 2019 () | £890 | £890 | £966,303 | re | 12 |
| 32 (31) |  | Military Wives () | £760 | £2,002 | £2,499,922 | -40% | 12 |
| 33 (re) |  | Downton Abbey () | £717 | £717 | £28,248,361 | re | 26 |
| 34 (25) |  | Murder On the Orient Express () | £705 | £2,681 | £24,224,914 | -73% | 18 |
| 35 (18) | Max Richters Sleep () | £702 | £2,344 | £17,452 | -95% | 2 | |
| 36 (38) |  | Hey Duggee At the Cinema - Autumn Collection () | £640 | £706 | £91,248 | 15% | 12 |
| 37 (34) | Real (2019) | £473 | £1,121 | £1,915 | -40% | 2 | |
| 38 (33) |  | 42nd Street: The Musical () | £463 | £2,168 | £1,437,889 | -44% | 17 |
| 39 (re) |  | Billy Elliot (2000) | £358 | £358 | £16,974,664 | re | 17 |
| 40 (28) |  | Shaun of the Dead (2004) Rerelease | £314 | £314 | £8,654 | -82% | 12 |
| 41 (46) |  | Make Up (2020) | £312 | £462 | £23,909 | 20% | 8 |
| 42 (47) | Cyrano De Bergerac: NT Live 2020 () | £258 | £488 | £895,155 | 19% | 7 | |
| 43 (re) |  | Coriolanus: NT Live 2014 (2014) | £88 | £88 | £1,261,710 | re | 7 |
| 44 (re) | Moffie () | £73 | £73 | £2,660 | re | 4 | |
| 45 (re) |  | The King and I From the London Palladium () | £70 | £70 | £1,906,307 | re | 23 |
| 46 (36) |  | Love Sarah () | £21 | £1,340 | £47,622 | -97% | 9 |