| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (1) |  | Honey, I Shrunk the Kids (1989) | £3,049,785 | £4,269,699 | £6,020,360 | 43% | 2 |
| 2 (new) |  | Sea of Love (1990) | £1,031,750 | £1,031,750 | £1,031,750 | new | 1 |
| 3 (new) |  | Internal Affairs (1990) | £884,825 | £884,825 | £884,825 | new | 1 |
| 4 (2) |  | Steel Magnolias (1990) | £269,204 | £390,346 | £901,834 | -47% | 2 |
| 5 (3) |  | Black Rain (1990) | £232,675 | £325,745 | £3,052,736 | -47% | 4 |
| 6 (4) |  | All Dogs Go to Heaven (1990) | £198,099 | £257,529 | £633,918 | -47% | 2 |
| 7 (5) |  | Parenthood (1990) | £138,121 | £179,557 | £4,809,036 | -45% | 6 |
| 8 (6) |  | Lock Up (1990) | £109,682 | £142,587 | £754,614 | -44% | 3 |
| 9 (9) |  | A Dry White Season (1989) | £100,294 | £130,382 | £280,823 | -33% | 2 |
| 10 (7) |  | Family Business (1990) | £84,692 | £110,100 | £296,423 | -55% | 2 |
| 11 (8) |  | Turner and Hooch (1990) | £74,977 | £101,219 | £3,615,528 | -52% | 6 |
| 12 (11) |  | Back to the Future Part II (1989) | £52,589 | £73,625 | £12,016,820 | -29% | 13 |
| 13 (10) |  | Casualties of War (1990) | £41,409 | £55,902 | £747,420 | -50% | 4 |
| 14 (12) |  | When Harry Met Sally (1989) | £17,101 | £23,941 | £8,723,024 | -37% | 12 |
| 15 (14) |  | Mystic Pizza (1990) | £1,533 | £2,223 | £459,615 | -57% | 7 |