| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (2) |  | When Harry Met Sally (1989) | £940,111 | £1,316,155 | £7,963,936 | 11% | 6 |
| 2 (3) |  | Back to the Future Part II (1989) | £870,957 | £1,175,792 | £10,867,297 | 36% | 7 |
| 3 (1) |  | The Delinquents (1989) | £411,055 | £596,030 | £1,500,352 | -55% | 2 |
| 4 (new) |  | Mystic Pizza (1990) | £226,976 | £226,976 | £226,976 | new | 1 |
| 5 (5) |  | The Dream Team (1989) | £107,806 | £145,538 | £1,377,120 | -41% | 4 |
| 6 (4) |  | Ghostbusters II (1989) | £105,571 | £147,799 | £5,306,447 | -72% | 6 |
| 7 (new) |  | Last Exit to Brooklyn (1989) | £85,924 | £85,924 | £85,924 | new | 1 |
| 8 (7) |  | Shirley Valentine (1989) | £23,986 | £32,381 | £9,966,551 | -41% | 11 |
| 9 (8) |  | Wilt (1989) | £22,002 | £28,603 | £2,226,952 | -29% | 8 |
| 10 (6) |  | Earth Girls Are Easy (1989) | £17,571 | £22,842 | £191,914 | -60% | 3 |
| 11 (9) |  | Pet Sematary (1989) | £7,297 | £9,851 | £1,005,117 | -44% | 8 |
| 12 (10) |  | The Wolves of Willoughby Chase (1989) | £2,904 | £4,211 | £44,994 | -29% | 4 |
| 13 (11) |  | The Abyss (1989) | £1,500 | £2,025 | £2,302,737 | -3% | 13 |
| 14 (12) |  | Batman (1989) | £500 | £700 | £11,319,536 | -50% | 22 |
| 15 (14) |  | Heathers (1989) | £300 | £420 | £41,374 | -57% | 8 |