UK Weekend Box Office
UK Box Office 31st August, 2018
| Title | Weekend | Week | Total | % Change | Total Weeks | ||
| 1 (1) |  | Christopher Robin () | £1,173,235 | £3,429,276 | £10,613,641 | -45% | 3 |
| 2 (2) |  | Mamma Mia! Here We Go Again () | £976,039 | £2,887,083 | £61,635,829 | -43% | 7 |
| 3 (6) |  | BlackKKlansman () | £922,806 | £1,870,829 | £3,105,043 | -25% | 2 |
| 4 (3) |  | The Meg (2018) | £881,145 | £2,232,551 | £13,967,081 | -41% | 4 |
| 5 (new) |  | Searching (2018) | £765,050 | £765,050 | £765,050 | new | 1 |
| 6 (4) |  | Incredibles 2 () | £762,307 | £2,049,213 | £53,279,019 | -40% | 8 |
| 7 (new) |  | The Happytime Murders (2018) | £694,044 | £694,044 | £694,044 | new | 1 |
| 8 (5) |  | The Equalizer 2 (2018) | £625,218 | £1,531,945 | £6,090,669 | -50% | 3 |
| 9 (9) |  | Hotel Transylvania 3: Summer Vacation () | £555,404 | £1,565,938 | £17,532,336 | -39% | 6 |
| 10 (8) |  | Mission:Impossible - Fallout () | £521,610 | £1,200,384 | £23,055,717 | -44% | 6 |
| 11 (10) |  | Ant-Man and the Wasp (2018) | £492,445 | £1,242,971 | £16,713,037 | -38% | 5 |
| 12 (new) |  | Yardie (2018) | £438,088 | £438,088 | £438,088 | new | 1 |
| 13 (11) |  | The Children Act () | £359,044 | £849,176 | £1,366,554 | -31% | 2 |
| 14 (7) |  | The Spy Who Dumped Me (2018) | £230,993 | £880,459 | £1,937,670 | -78% | 2 |
| 15 (new) |  | Cold War () | £228,780 | £228,780 | £228,780 | new | 1 |
| 16 (12) |  | The Festival () | £199,633 | £566,198 | £3,106,663 | -56% | 3 |
| 17 (new) |  | Stree () | £58,697 | £58,697 | £58,697 | new | 1 |
| 18 (new) |  | Upgrade (2018) | £58,006 | £58,006 | £58,006 | new | 1 |
| 19 (new) | Margaye Oye Loko () | £41,527 | £41,527 | £41,527 | new | 1 | |
| 20 (new) | Yamla Pagla Deewana Phir Se (2018) | £35,402 | £35,402 | £35,402 | new | 1 | |
| 21 (new) |  | Action Point () | £33,993 | £33,993 | £33,993 | new | 1 |
| 22 (22) |  | Jurassic World: Fallen Kingdom () | £24,562 | £58,581 | £41,549,022 | -12% | 13 |
| 23 (new) | The Ballymurphy Precedent () | £16,831 | £16,831 | £16,831 | new | 1 | |
| 24 (new) | I Dolours (2018) | £15,989 | £15,989 | £15,989 | new | 1 | |
| 25 (new) | A Storks Journey (2018) | £15,330 | £15,330 | £15,330 | new | 1 | |
| 26 (new) | The Man From Mowax () | £13,106 | £13,106 | £13,106 | new | 1 | |
| 27 (18) |  | Sherlock Gnomes () | £7,117 | £59,780 | £9,397,323 | -85% | 17 |
| 28 (23) |  | Thomas & Friends: Big World Big Adventures: The Movie () | £4,123 | £14,633 | £482,070 | -66% | 7 |
| 29 (29) | Swimming With Men (2018) | £3,915 | £15,060 | £401,541 | 5% | 9 | |
| 30 (27) | Sgt. Stubby: An Unlikely Hero () | £3,528 | £6,685 | £106,539 | -37% | 4 | |
| 31 (25) |  | Apostasy () | £3,004 | £14,382 | £318,034 | -68% | 6 |
| 32 (re) |  | Jonas Kaufmann Under the Stars (2018) | £2,706 | £2,706 | £164,856 | re | 1 |
| 33 (36) | The More You Ignore Me () | £1,893 | £3,422 | £54,367 | 35% | 9 | |
| 34 (31) | McQueen () | £1,860 | £4,431 | £660,787 | -34% | 13 | |
| 35 (34) |  | Spitfire () | £1,669 | £1,823 | £254,769 | -18% | 7 |
| 36 (re) |  | The Guernsey Literary and Potato Peel Pie Society (2018) | £1,615 | £1,615 | £5,878,776 | re | 18 |
| 37 (35) |  | The Beatles: Yellow Submarine () 50th Anniversary | £1,395 | £2,521 | £213,081 | -2% | 9 |
| 38 (45) |  | The Bookshop (2018) | £1,347 | £3,764 | £386,858 | 57% | 9 |
| 39 (re) | Geetha Govindam () | £1,256 | £1,256 | £26,829 | re | 2 | |
| 40 (30) | The Escape (2018) | £1,237 | £6,138 | £134,494 | -64% | 5 | |
| 41 (40) |  | Mary Shelley (2018) | £1,175 | £2,330 | £136,671 | 28% | 8 |
| 42 (39) |  | Leaning Into the Wind - Andy Goldsworthy (2018) | £1,114 | £2,193 | £32,205 | 11% | 4 |
| 43 (33) | The Eyes of Orson Welles () | £1,102 | £2,756 | £31,529 | -48% | 3 | |
| 44 (32) |  | Everybody's Talking About Jamie () | £1,090 | £4,911 | £709,681 | -55% | 7 |
| 45 (re) |  | The Happy Prince () | £1,085 | £1,085 | £848,821 | re | 11 |
| 46 (37) | Patrick (2018) | £930 | £3,662 | £1,205,535 | -16% | 10 | |
| 47 (48) | Time Trial (2018) | £543 | £2,872 | £70,814 | 16% | 9 | |
| 48 (51) |  | Whitney (2018) | £522 | £4,697 | £453,379 | 32% | 9 |
| 49 (new) | Natsamrat (2018) | £488 | £488 | £488 | new | 1 | |
| 50 (new) | Mar Gaye Oye Loko (2018) | £481 | £481 | £481 | new | 1 | |
| 51 (re) |  | Kaiser: The Greatest Footballer Never to Play Football () | £330 | £330 | £14,284 | re | 3 |
| 52 (28) |  | Peter Rabbit (2018) | £327 | £5,748 | £41,073,505 | -94% | 25 |
| 53 (46) | A Prayer Before Dawn (2018) | £72 | £742 | £86,842 | -87% | 7 | |