| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (new) |  | Black Rain (1990) | £1,044,253 | £1,044,253 | £1,044,253 | new | 1 |
| 2 (1) |  | Parenthood (1990) | £825,829 | £1,197,452 | £3,687,010 | -20% | 3 |
| 3 (2) |  | Turner and Hooch (1990) | £384,349 | £538,089 | £2,991,452 | -61% | 3 |
| 4 (new) |  | Casualties of War (1990) | £331,265 | £331,265 | £331,265 | new | 1 |
| 5 (3) |  | Back to the Future Part II (1989) | £144,303 | £187,594 | £11,713,488 | -29% | 10 |
| 6 (4) |  | When Harry Met Sally (1989) | £46,240 | £60,112 | £8,609,613 | -55% | 9 |
| 7 (5) |  | The Delinquents (1989) | £38,604 | £50,185 | £1,916,580 | -55% | 5 |
| 8 (6) |  | Ghostbusters II (1989) | £30,100 | £42,140 | £5,507,213 | -39% | 9 |
| 9 (8) |  | In Country (1989) | £20,645 | £29,935 | £118,504 | -23% | 3 |
| 10 (7) |  | Mystic Pizza (1990) | £18,655 | £24,252 | £441,734 | -57% | 4 |
| 11 (9) |  | Last Exit to Brooklyn (1989) | £10,741 | £15,037 | £192,255 | -50% | 4 |
| 12 (11) |  | Jesus of Montreal (1989) | £5,544 | £7,484 | £18,572 | -50% | 2 |
| 13 (12) |  | Shirley Valentine (1989) | £4,882 | £6,347 | £10,004,560 | -41% | 14 |
| 14 (10) |  | Wilt (1989) | £4,318 | £6,261 | £2,271,156 | -62% | 11 |
| 15 (13) |  | Earth Girls Are Easy (1989) | £1,152 | £1,498 | £207,399 | -60% | 6 |
| 16 (14) |  | Ladder of Swords (1989) | £638 | £861 | £4,434 | -50% | 3 |