| Rank | 15-17 September 2017 | Weekend box office/ £ | Cumulative box office/ £ |
|---|---|---|---|
| 1 | It (Warner Bros) | 6,070,542 | 21,168,697 |
| 2 | Victoria And Abdul (Universal) | 1,846,970 | 1,846,970 |
| 3 | mother! (Paramount) | 831,676 | 831,676 |
| 4 | American Assassin (Lionsgate UK) | 768,951 | 768,951 |
| 5 | The Emoji Movie (Sony) | 388,656 | 13,653,209 |
| 6 | The Jungle Bunch (Eone) | 374,982 | 374,982 |
| 7 | American Made (Universal) | 344,764 | 5,044,992 |
| 8 | Dunkirk (Warner Bros) | 336,547 | 55,758,074 |
| 9 | Wind River (STX Entertainment) | 255,037 | 942,773 |
| 10 | Despicable Me 3 (Universal) | 254,959 | 46,505,692 |
Source: comScore