| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (new) |  | Back to the Future Part III (1990) | £2,227,580 | £2,227,580 | £2,227,580 | new | 1 |
| 2 (1) |  | Dick Tracy (1990) | £1,301,910 | £1,822,674 | £3,077,448 | 4% | 2 |
| 3 (2) |  | Pretty Woman (1990) | £783,657 | £1,097,120 | £8,659,307 | 14% | 7 |
| 4 (new) |  | Dark Angel (1990) | £520,865 | £520,865 | £520,865 | new | 1 |
| 5 (3) |  | Joe Versus the Volcano (1990) | £283,710 | £397,194 | £906,470 | -44% | 2 |
| 6 (new) |  | She's Out of Control (1990) | £241,317 | £241,317 | £241,317 | new | 1 |
| 7 (4) |  | Lord of the Flies (1990) | £186,470 | £270,382 | £736,556 | -60% | 2 |
| 8 (6) |  | Fresh Horses (1988) | £131,167 | £170,517 | £750,932 | -33% | 3 |
| 9 (7) |  | Revenge (1990) | £83,443 | £108,476 | £1,448,399 | -50% | 4 |
| 10 (8) |  | Stanley & Iris (1990) | £80,834 | £109,126 | £666,877 | -50% | 3 |
| 11 (10) |  | An Innocent Man (1990) | £49,501 | £64,351 | £611,949 | -33% | 4 |
| 12 (12) |  | Clean and Sober (1990) | £29,985 | £38,981 | £1,166,777 | -33% | 6 |
| 13 (13) |  | I Bought a Vampire Motorcycle (1990) | £28,383 | £39,736 | £82,310 | -33% | 2 |
| 14 (14) | | Treasure Island (1990) | £19,306 | £27,994 | £332,552 | -29% | 5 |
| 15 (11) |  | The Package (1990) | £18,171 | £24,531 | £1,316,962 | -60% | 5 |
| 16 (17) |  | The Witches (1990) | £10,959 | £15,891 | £2,564,314 | -29% | 8 |
| 17 (15) |  | Harlem Nights (1990) | £10,874 | £15,767 | £1,929,614 | -45% | 8 |
| 18 (5) |  | Tremors (1990) | £10,047 | £14,066 | £1,036,126 | -97% | 3 |
| 19 (16) |  | The Phantom of the Opera (1990) | £8,435 | £10,966 | £493,427 | -50% | 5 |
| 20 (18) | | Fools of Fortune (1990) | £5,078 | £6,855 | £68,195 | -38% | 4 |
| 21 (20) |  | Nuns On the Run (1990) | £2,779 | £3,752 | £2,486,123 | -23% | 11 |
| 22 (21) |  | The Krays (1990) | £1,209 | £1,572 | £3,180,151 | -33% | 12 |