| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (1) |  | Back to the Future Part II (1989) | £1,521,143 | £2,129,600 | £6,099,520 | -1% | 3 |
| 2 (2) |  | When Harry Met Sally (1989) | £1,130,746 | £1,639,582 | £2,889,552 | -10% | 2 |
| 3 (3) |  | Ghostbusters II (1989) | £1,037,625 | £1,348,913 | £2,494,063 | -9% | 2 |
| 4 (5) |  | Field of Dreams (1989) | £219,874 | £318,817 | £1,339,034 | -38% | 3 |
| 5 (6) |  | Shirley Valentine (1989) | £200,335 | £290,486 | £9,615,442 | -41% | 7 |
| 6 (4) |  | Wilt (1989) | £172,496 | £232,870 | £1,982,113 | -62% | 4 |
| 7 (7) |  | Pet Sematary (1989) | £76,603 | £103,414 | £883,776 | -44% | 4 |
| 8 (new) |  | Mystery Train (1989) | £10,403 | £10,403 | £10,403 | new | 1 |
| 9 (8) |  | The Abyss (1989) | £9,299 | £13,484 | £2,286,998 | -45% | 9 |
| 10 (9) |  | Shag (1989) | £7,932 | £11,105 | £826,359 | -50% | 7 |
| 11 (10) |  | New York Stories (1989) | £4,592 | £6,199 | £333,694 | -60% | 5 |
| 12 (13) | | Venus Peter (1989) | £4,574 | £6,175 | £12,578 | -29% | 2 |
| 13 (11) | | A Chorus of Disapproval (1989) | £4,359 | £5,667 | £214,349 | -50% | 6 |
| 14 (12) |  | Star Trek V: The Final Frontier (1989) | £3,994 | £5,592 | £1,701,701 | -53% | 8 |
| 15 (15) |  | Heathers (1989) | £2,578 | £3,351 | £35,538 | -37% | 4 |