| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (new) |  | Star Trek V: The Final Frontier (1989) | £768,648 | £768,648 | £768,648 | new | 1 |
| 2 (2) |  | The Abyss (1989) | £615,099 | £861,139 | £1,280,619 | 32% | 2 |
| 3 (3) |  | Oliver & Company (1988) | £458,549 | £596,114 | £4,675,284 | 11% | 2 |
| 4 (1) |  | Dead Poets Society (1989) | £215,748 | £312,835 | £3,095,294 | -50% | 5 |
| 5 (4) |  | The Cook, The Thief, His Wife & Her Lover (1989) | £185,325 | £250,189 | £602,306 | -47% | 2 |
| 6 (5) |  | K-9 (1989) | £98,798 | £143,257 | £903,999 | -55% | 3 |
| 7 (8) |  | Batman (1989) | £89,634 | £125,488 | £11,190,406 | -23% | 11 |
| 8 (6) | | Henry V (1989) | £73,986 | £96,182 | £632,210 | -52% | 3 |
| 9 (7) |  | Erik the Viking (1989) | £67,106 | £87,238 | £860,930 | -50% | 4 |
| 10 (9) | | Queen of Hearts (1989) | £34,663 | £50,261 | £98,789 | -29% | 2 |
| 11 (10) |  | Lethal Weapon 2 (1989) | £25,320 | £34,182 | £7,311,865 | -45% | 9 |
| 12 (11) |  | The Bear (1989) | £20,709 | £27,957 | £806,597 | -55% | 5 |
| 13 (12) |  | Sex, Lies and Videotape (1989) | £16,345 | £23,700 | £1,020,523 | -23% | 7 |
| 14 (14) |  | Young Einstein (1989) | £5,795 | £7,823 | £380,831 | -58% | 5 |
| 15 (16) |  | Cousins (1989) | £2,781 | £3,893 | £826,967 | -50% | 8 |