| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (1) |  | Black Rain (1990) | £801,322 | £1,041,719 | £2,085,972 | -23% | 2 |
| 2 (2) |  | Parenthood (1990) | £455,002 | £591,503 | £4,278,513 | -45% | 4 |
| 3 (new) |  | Lock Up (1990) | £355,371 | £355,371 | £355,371 | new | 1 |
| 4 (3) |  | Turner and Hooch (1990) | £229,663 | £298,562 | £3,290,014 | -40% | 4 |
| 5 (4) |  | Casualties of War (1990) | £165,633 | £240,168 | £571,433 | -50% | 2 |
| 6 (5) |  | Back to the Future Part II (1989) | £103,074 | £133,996 | £11,847,484 | -29% | 11 |
| 7 (6) |  | When Harry Met Sally (1989) | £35,569 | £49,797 | £8,659,410 | -23% | 10 |
| 8 (8) |  | Ghostbusters II (1989) | £18,868 | £25,472 | £5,532,685 | -37% | 10 |
| 9 (7) |  | The Delinquents (1989) | £17,547 | £22,811 | £1,939,391 | -55% | 6 |
| 10 (9) |  | In Country (1989) | £10,866 | £14,126 | £132,630 | -47% | 4 |
| 11 (10) |  | Mystic Pizza (1990) | £8,111 | £10,544 | £452,278 | -57% | 5 |
| 12 (11) |  | Last Exit to Brooklyn (1989) | £5,371 | £7,788 | £200,043 | -50% | 5 |
| 13 (12) |  | Jesus of Montreal (1989) | £4,265 | £5,971 | £24,543 | -23% | 3 |
| 14 (14) |  | Wilt (1989) | £3,084 | £4,318 | £2,275,474 | -29% | 12 |
| 15 (13) |  | Shirley Valentine (1989) | £2,872 | £4,021 | £10,008,581 | -41% | 15 |