| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (2) |  | Jumanji: Welcome to the Jungle () | £3,895,450 | £8,436,896 | £26,272,798 | -25% | 3 |
| 2 (1) |  | Star Wars: The Last Jedi () | £3,543,117 | £8,460,156 | £76,723,930 | -56% | 4 |
| 3 (3) |  | The Greatest Showman (2017) | £2,409,143 | £5,244,734 | £9,998,783 | -49% | 2 |
| 4 (new) |  | Mollys Game () | £2,283,420 | £2,283,420 | £2,283,420 | new | 1 |
| 5 (4) |  | Pitch Perfect 3 (2017) | £1,635,203 | £3,783,951 | £12,671,391 | -30% | 3 |
| 6 (new) |  | All the Money In the World () | £1,161,475 | £1,161,475 | £1,161,475 | new | 1 |
| 7 (5) |  | Paddington 2 (2017) | £1,034,372 | £2,848,066 | £40,415,771 | -45% | 9 |
| 8 (6) |  | Ferdinand (2017) | £842,364 | £2,247,266 | £8,392,318 | -39% | 3 |
| 9 (new) |  | Hostiles (2018) | £380,718 | £380,718 | £380,718 | new | 1 |
| 10 (7) |  | Daddy's Home 2 () | £205,909 | £581,426 | £14,179,196 | -58% | 7 |
| 11 (9) |  | Wonder (2017) | £167,054 | £335,924 | £4,630,123 | 4% | 6 |
| 12 (8) |  | Tiger Zinda Hai () | £115,648 | £345,472 | £1,607,595 | -56% | 3 |
| 13 (re) |  | My Little Pony: The Movie () | £49,441 | £49,441 | £3,593,040 | re | 6 |
| 14 (12) |  | The Lego Ninjago Movie (2017) | £49,004 | £84,242 | £9,619,242 | -2% | 8 |
| 15 (new) |  | Walk With Me () | £45,248 | £45,248 | £45,248 | new | 1 |
| 16 (10) |  | Murder On the Orient Express () | £38,604 | £124,797 | £24,025,250 | -53% | 10 |
| 17 (new) |  | Brads Status (2017) | £33,579 | £33,579 | £33,579 | new | 1 |
| 18 (18) |  | The Death of Stalin (2017) | £14,699 | £28,399 | £5,066,234 | 5% | 12 |
| 19 (19) |  | Film Stars Don't Die In Liverpool (2017) | £9,610 | £21,545 | £955,648 | -7% | 8 |
| 20 (28) |  | Follies: NT Live 2017 (2017) | £8,232 | £16,699 | £1,198,431 | 77% | 7 |
| 21 (16) |  | Justice League (2017) | £7,811 | £23,662 | £17,420,228 | -67% | 8 |
| 22 (20) |  | Loving Vincent () | £6,080 | £15,610 | £952,076 | -34% | 13 |
| 23 (new) | | Jupiters Moon (2018) | £5,923 | £5,923 | £5,923 | new | 1 |
| 24 (new) | | Vimanam () | £3,827 | £3,827 | £3,827 | new | 1 |
| 25 (re) |  | Youth () | £3,126 | £3,126 | £54,795 | re | 12 |
| 26 (24) | | The Nutcracker: ROH London 2017/18 (2017) | £3,109 | £4,084 | £1,164,288 | -15% | 4 |
| 27 (new) | | Glory (2016) | £2,347 | £2,347 | £2,347 | new | 1 |
| 28 (31) |  | Victoria and Abdul (2017) | £2,153 | £2,777 | £10,103,622 | 69% | 17 |
| 29 (new) | | Rey () | £2,145 | £2,145 | £2,145 | new | 1 |
| 30 (17) |  | The Party () | £1,763 | £7,919 | £1,116,611 | -90% | 13 |
| 31 (25) | | Young Marx: NT Live 2017 () | £1,699 | £7,743 | £450,343 | -48% | 5 |
| 32 (new) | | The Liquidator () | £1,568 | £1,568 | £1,568 | new | 1 |
| 33 (26) | | Blade of the Immortal (2017) | £1,561 | £4,810 | £96,072 | -43% | 5 |
| 34 (29) |  | Dunkirk (2017) | £726 | £1,684 | £56,658,771 | -58% | 23 |
| 35 (re) | | A Woman of No Importance 2017 () | £366 | £366 | £301,967 | re | 3 |
| 36 (30) | | Gods Own Country (2017) | £350 | £762 | £866,243 | -78% | 19 |
| 37 (23) |  | The Killing of a Sacred Deer (2017) | £290 | £5,219 | £846,992 | -93% | 10 |
| 38 (new) | | Renegades () | £262 | £262 | £262 | new | 1 |
| 39 (33) |  | Grace Jones: Bloodlight and Bami () | £221 | £221 | £125,436 | -25% | 8 |
| 40 (32) |  | Breathe () | £199 | £2,056 | £1,670,978 | -56% | 11 |
| 41 (new) | | Slumber (2018) | £33 | £33 | £33 | new | 1 |