| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (new) |  | Back to the Future Part II (1989) | £1,981,440 | £1,981,440 | £1,981,440 | new | 1 |
| 2 (2) |  | Wilt (1989) | £627,886 | £910,435 | £1,166,206 | 59% | 2 |
| 3 (1) |  | Shirley Valentine (1989) | £578,968 | £810,555 | £8,865,188 | -41% | 5 |
| 4 (new) |  | Field of Dreams (1989) | £562,878 | £562,878 | £562,878 | new | 1 |
| 5 (3) |  | Pet Sematary (1989) | £248,193 | £347,470 | £594,217 | 1% | 2 |
| 6 (5) |  | Shag (1989) | £31,727 | £44,418 | £794,631 | -50% | 5 |
| 7 (6) |  | The Abyss (1989) | £30,803 | £43,124 | £2,251,511 | -45% | 7 |
| 8 (4) |  | New York Stories (1989) | £28,702 | £38,748 | £311,422 | -60% | 3 |
| 9 (8) |  | Star Trek V: The Final Frontier (1989) | £17,950 | £24,233 | £1,684,679 | -53% | 6 |
| 10 (10) | | A Chorus of Disapproval (1989) | £17,434 | £25,279 | £197,350 | -29% | 4 |
| 11 (11) |  | The Rainbow (1989) | £11,028 | £15,991 | £125,915 | -29% | 4 |
| 12 (13) |  | Heathers (1989) | £8,660 | £12,557 | £26,413 | -38% | 2 |
| 13 (14) |  | Dead Poets Society (1989) | £6,743 | £8,766 | £3,387,906 | -50% | 10 |
| 14 (15) | | Henry V (1989) | £4,314 | £5,824 | £756,232 | -29% | 8 |
| 15 (16) |  | Batman (1989) | £2,464 | £3,573 | £11,312,023 | -57% | 16 |
| 16 (17) |  | Two Moon Junction (1989) | £1,866 | £2,706 | £48,511 | -58% | 4 |
| 17 (19) |  | Lethal Weapon 2 (1989) | £1,268 | £1,839 | £7,351,323 | -45% | 14 |