| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (1) |  | Back to the Future Part II (1989) | £1,006,094 | £1,458,836 | £8,970,846 | -7% | 5 |
| 2 (2) |  | When Harry Met Sally (1989) | £932,089 | £1,258,320 | £5,513,689 | -8% | 4 |
| 3 (3) |  | Ghostbusters II (1989) | £531,981 | £744,773 | £4,644,244 | -47% | 4 |
| 4 (4) |  | The Dream Team (1989) | £311,561 | £436,185 | £965,839 | -41% | 2 |
| 5 (new) |  | Earth Girls Are Easy (1989) | £108,067 | £108,067 | £108,067 | new | 1 |
| 6 (6) |  | Shirley Valentine (1989) | £69,320 | £100,514 | £9,875,045 | -41% | 9 |
| 7 (7) |  | Wilt (1989) | £43,124 | £58,217 | £2,156,765 | -50% | 6 |
| 8 (8) |  | Pet Sematary (1989) | £23,643 | £30,736 | £976,220 | -44% | 6 |
| 9 (9) |  | The Wolves of Willoughby Chase (1989) | £10,572 | £13,744 | £34,887 | -50% | 2 |
| 10 (11) |  | The Abyss (1989) | £2,807 | £4,070 | £2,298,476 | -45% | 11 |
| 11 (15) |  | Heathers (1989) | £1,500 | £2,100 | £39,974 | -7% | 6 |
| 12 (12) |  | Shag (1989) | £1,300 | £1,755 | £833,115 | -62% | 9 |
| 13 (18) |  | Batman (1989) | £1,000 | £1,300 | £11,317,536 | 64% | 20 |
| 14 (10) |  | Mystery Train (1989) | £533 | £720 | £22,726 | -93% | 3 |
| 15 (16) |  | Tank Malling (1989) | £500 | £650 | £8,484 | -66% | 4 |