| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (1) |  | Dunkirk (2017) | £8,235,532 | £16,994,004 | £27,017,724 | -18% | 2 |
| 2 (new) |  | Captain Underpants: The First Epic Movie (2017) | £2,495,744 | £2,495,744 | £2,495,744 | new | 1 |
| 3 (2) |  | Despicable Me 3 (2017) | £2,250,597 | £5,532,399 | £35,851,868 | -27% | 5 |
| 4 (3) |  | War For the Planet of the Apes (2017) | £1,656,290 | £3,573,237 | £16,240,721 | -39% | 3 |
| 5 (4) |  | Spider-Man: Homecoming (2017) | £1,560,458 | £3,467,882 | £24,540,135 | -29% | 4 |
| 6 (new) |  | Girls Trip (2017) | £1,557,981 | £1,557,981 | £1,557,981 | new | 1 |
| 7 (5) |  | Cars 3 (2017) | £1,013,547 | £2,330,700 | £7,403,511 | -38% | 3 |
| 8 (new) |  | 47 Meters Down (2017) | £637,964 | £637,964 | £637,964 | new | 1 |
| 9 (7) |  | Baby Driver (2017) | £517,790 | £1,056,169 | £11,136,383 | -25% | 5 |
| 10 (new) |  | The Big Sick (2017) | £488,718 | £488,718 | £488,718 | new | 1 |
| 11 (new) | | Mubarakhan (2017) | £113,742 | £113,742 | £113,742 | new | 1 |
| 12 (6) |  | André Rieu's 2017 Maastricht Concert (2017) | £63,054 | £69,081 | £1,508,685 | -96% | 2 |
| 13 (re) |  | A Dogs Purpose (2017) | £56,963 | £56,963 | £2,995,536 | re | 6 |
| 14 (9) |  | The Black Prince (2017) | £56,870 | £117,962 | £199,413 | -30% | 2 |
| 15 (8) | | The Beguiled (2017) | £54,938 | £167,550 | £1,021,116 | -61% | 3 |
| 16 (10) |  | Wonder Woman (2017) | £45,560 | £106,411 | £22,035,612 | -41% | 9 |
| 17 (new) |  | Wish Upon (2017) | £38,620 | £38,620 | £38,620 | new | 1 |
| 18 (12) |  | Transformers: The Last Knight (2017) | £23,017 | £60,938 | £9,498,526 | -55% | 6 |
| 19 (new) | | Hounds of Love (2017) | £21,150 | £21,150 | £21,150 | new | 1 |
| 20 (new) | | The Wall (2017) | £16,914 | £16,914 | £16,914 | new | 1 |
| 21 (new) |  | The Farthest (2017) | £16,299 | £16,299 | £16,299 | new | 1 |
| 22 (re) |  | Howards End (1992) | £14,503 | £14,503 | £1,760,485 | re | 16 |
| 23 (19) | | Hampstead (2017) | £13,000 | £30,355 | £1,449,499 | 0% | 5 |
| 24 (new) | | Vekh Baaratan Challiyan (2017) | £10,650 | £10,650 | £10,650 | new | 1 |
| 25 (27) |  | Churchill (2017) | £8,643 | £26,490 | £1,564,031 | 27% | 6 |
| 26 (20) |  | The Mummy (2017) | £6,834 | £12,407 | £8,741,139 | -42% | 7 |
| 27 (re) |  | Angels In America Part Two Perestroika: NT Live 2017 (2017) | £5,482 | £5,482 | £327,201 | re | 1 |
| 28 (21) | | Alone In Berlin (2017) | £4,598 | £18,927 | £278,871 | -58% | 4 |
| 29 (26) |  | My Cousin Rachel (2017) | £3,816 | £20,757 | £2,472,274 | -41% | 7 |
| 30 (18) | | City of Ghosts (2017) | £3,669 | £11,910 | £24,931 | -72% | 2 |
| 31 (25) |  | Angels In America Part One Millenium Approaches: NT Live 2017 (2017) | £2,734 | £14,222 | £416,595 | -65% | 2 |
| 32 (16) |  | Pirates of the Caribbean: Salazars Revenge (2017) | £2,002 | £15,498 | £19,529,175 | -88% | 10 |
| 33 (36) |  | Beauty and the Beast (2017) | £1,704 | £1,859 | £72,377,334 | 84% | 19 |
| 34 (42) | | Letters From Baghdad (2017) | £1,627 | £2,206 | £106,393 | 95% | 14 |
| 35 (33) | | The Hippopotamus (2017) | £886 | £2,035 | £76,050 | 42% | 8 |
| 36 (31) | | Who's Afraid of Virginia Woolf: NT Live 2017 (2017) | £744 | £4,632 | £655,984 | -2% | 9 |
| 37 (30) |  | Whitney: Can I Be Me (2017) | £674 | £3,363 | £201,259 | -62% | 5 |
| 38 (re) | | The Seasons In Quincy: Four Portraits of John Berger (2017) | £633 | £633 | £22,347 | re | 4 |
| 39 (37) | | Chubby Funny (2017) | £520 | £650 | £7,052 | 49% | 4 |
| 40 (new) | | Queerama (2017) | £459 | £459 | £459 | new | 1 |
| 41 (43) | | Summer In the Forest (2017) | £432 | £1,560 | £16,902 | 84% | 3 |
| 42 (44) |  | Lost In London (2017) | £274 | £271 | £45,283 | 82% | 13 |
| 43 (34) | | Peter Pan: NT Live 2017 (2017) | £88 | £2,057 | £132,364 | -79% | 7 |