| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (4) |  | The Greatest Showman (2017) | £2,201,523 | £3,261,363 | £23,226,869 | 7% | 6 |
| 2 (2) |  | Coco (2018) | £1,651,929 | £2,056,549 | £10,221,949 | -29% | 3 |
| 3 (1) |  | Darkest Hour (2018) | £1,638,984 | £3,457,869 | £18,682,098 | -39% | 4 |
| 4 (5) |  | Early Man (2018) | £1,502,262 | £1,907,829 | £3,928,482 | -26% | 2 |
| 5 (3) |  | Maze Runner: The Death Cure (2018) | £1,350,666 | £2,073,768 | £4,321,683 | -40% | 2 |
| 6 (new) |  | Den of Thieves (2018) | £1,082,560 | £1,082,560 | £1,082,560 | new | 1 |
| 7 (6) |  | The Post (2018) | £960,487 | £2,013,799 | £7,223,655 | -40% | 3 |
| 8 (7) |  | Three Billboards Outside Ebbing, Missouri (2018) | £884,478 | £1,829,541 | £9,435,132 | -29% | 4 |
| 9 (8) |  | Jumanji: Welcome to the Jungle (2017) | £874,788 | £1,196,300 | £35,343,483 | -28% | 7 |
| 10 (new) |  | Phantom Thread (2018) | £727,104 | £727,104 | £727,104 | new | 1 |
| 11 (10) |  | Padmaavat (2018) | £405,352 | £707,907 | £1,558,293 | -52% | 2 |
| 12 (new) |  | Winchester (2018) | £373,550 | £373,550 | £373,550 | new | 1 |
| 13 (9) |  | Downsizing (2018) | £373,267 | £790,718 | £1,922,405 | -67% | 2 |
| 14 (11) |  | The Commuter (2018) | £275,707 | £613,355 | £3,643,253 | -58% | 3 |
| 15 (12) |  | Insidious: The Last Key (2018) | £218,000 | £458,762 | £5,040,843 | -57% | 4 |
| 16 (15) |  | Star Wars: The Last Jedi (2017) | £134,030 | £302,706 | £82,427,918 | -61% | 8 |
| 17 (new) |  | Journeys End (2018) | £123,961 | £123,961 | £123,961 | new | 1 |
| 18 (new) | | Podatek Od Milosci (2018) | £96,726 | £96,726 | £96,726 | new | 1 |
| 19 (new) |  | The Lady of the Camellias: Bolshoi 2018 (2018) | £79,175 | £79,175 | £79,175 | new | 1 |
| 20 (16) |  | Paddington 2 (2017) | £64,471 | £73,945 | £41,624,190 | -42% | 13 |
| 21 (17) |  | All the Money In the World (2018) | £24,123 | £73,748 | £3,130,218 | -56% | 5 |
| 22 (new) | | Roman J. Israel, Esq. (2018) | £22,193 | £22,193 | £22,193 | new | 1 |
| 23 (new) | | Makala (2018) | £9,177 | £9,177 | £9,177 | new | 1 |
| 24 (new) | | Oru Nalla Naal Paathu Solren (2018) | £8,529 | £8,529 | £8,529 | new | 1 |
| 25 (new) | | Parchi (2018) | £5,438 | £5,438 | £5,438 | new | 1 |
| 26 (new) |  | Lies We Tell (2018) | £4,081 | £4,081 | £4,081 | new | 1 |
| 27 (22) |  | Walk With Me (2017) | £3,295 | £13,176 | £141,436 | 42% | 4 |
| 28 (21) |  | The Death of Stalin (2017) | £2,843 | £8,568 | £5,110,173 | 2% | 15 |
| 29 (new) |  | Humble Politician Nograj (2018) | £2,716 | £2,716 | £2,716 | new | 1 |
| 30 (30) |  | Dunkirk (2017) | £2,318 | £20,578 | £56,707,847 | 88% | 26 |
| 31 (23) | | Exhibition On Screen: Cézanne 2018 (2018) | £2,024 | £29,896 | £115,184 | 34% | 2 |
| 32 (re) | | Blur No Distance Left to Run (2010) | £960 | £960 | £45,518 | re | 1 |
| 33 (20) |  | Murder On the Orient Express (2017) | £917 | £10,502 | £24,125,203 | -85% | 13 |
| 34 (28) |  | Eric Clapton: Life In 12 Bars (2018) | £624 | £3,669 | £200,428 | 17% | 3 |
| 35 (25) |  | Loving Vincent (2017) | £428 | £17,474 | £992,211 | -50% | 16 |
| 36 (31) |  | Justice League (2017) | £128 | £128 | £17,427,067 | 21% | 11 |
| 37 (new) |  | Kaufmans Game (2017) | £126 | £126 | £126 | new | 1 |
| 38 (24) |  | Film Stars Don't Die In Liverpool (2017) | £55 | £13,543 | £1,022,816 | -96% | 11 |