| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (new) |  | Kingsman: The Golden Circle (2017) | £8,525,664 | £8,525,664 | £8,525,664 | new | 1 |
| 2 (1) |  | IT (2017) | £2,852,965 | £5,283,012 | £26,451,709 | -53% | 3 |
| 3 (2) |  | Victoria and Abdul (2017) | £1,239,085 | £2,984,807 | £4,831,777 | -33% | 2 |
| 4 (3) |  | Mother! (2017) | £364,301 | £836,631 | £1,668,307 | -56% | 2 |
| 5 (5) |  | The Emoji Movie (2017) | £359,793 | £389,863 | £15,043,072 | -7% | 8 |
| 6 (6) |  | The Jungle Bunch (2017) | £288,416 | £357,586 | £732,567 | -23% | 2 |
| 7 (4) |  | American Assassin (2017) | £262,647 | £602,772 | £1,371,723 | -66% | 2 |
| 8 (10) |  | Despicable Me 3 (2017) | £195,960 | £211,959 | £46,717,650 | -23% | 13 |
| 9 (8) |  | Dunkirk (2017) | £185,321 | £327,931 | £56,086,005 | -45% | 10 |
| 10 (7) |  | American Made (2017) | £151,960 | £300,070 | £5,345,061 | -56% | 5 |
| 11 (new) |  | Maze (2017) | £123,985 | £123,985 | £123,985 | new | 1 |
| 12 (9) |  | Wind River (2017) | £118,206 | £259,173 | £1,201,946 | -54% | 3 |
| 13 (new) |  | Borg Vs. McEnroe (2017) | £101,918 | £101,918 | £101,918 | new | 1 |
| 14 (14) |  | Captain Underpants: The First Epic Movie (2017) | £88,897 | £95,276 | £7,814,949 | -13% | 9 |
| 15 (13) |  | Cars 3 (2017) | £74,760 | £80,196 | £11,505,824 | -33% | 10 |