| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (1) |  | Mississippi Burning (1988) | £287,152 | £387,655 | £1,652,434 | -24% | 4 |
| 2 (2) |  | Beaches (1989) | £275,349 | £357,954 | £713,582 | -23% | 2 |
| 3 (new) |  | The Blob () | £151,212 | £151,212 | £151,212 | new | 1 |
| 4 (3) |  | Bright Lights, Big City (1989) | £80,590 | £116,856 | £310,273 | -58% | 2 |
| 5 (5) |  | A Cry In the Dark (1989) | £71,661 | £103,908 | £219,055 | -38% | 2 |
| 6 (9) | | For Queen & Country (1989) | £59,140 | £79,839 | £170,218 | -35% | 2 |
| 7 (6) |  | A Nightmare On Elm Street 4: The Dream Master (1989) | £56,570 | £76,370 | £1,185,119 | -50% | 4 |
| 8 (7) |  | 1969 (1989) | £54,808 | £79,472 | £189,087 | -50% | 2 |
| 9 (11) |  | My Stepmother Is An Alien () | £54,664 | £79,263 | £1,001,521 | -9% | 5 |
| 10 (4) |  | Torch Song Trilogy () | £52,819 | £68,665 | £231,341 | -68% | 2 |
| 11 (8) |  | Her Alibi (1989) | £49,981 | £67,474 | £533,742 | -47% | 3 |
| 12 (10) |  | Rain Man (1989) | £19,614 | £27,460 | £6,135,627 | -72% | 13 |
| 13 (13) |  | Working Girl () | £18,132 | £25,385 | £2,925,155 | -37% | 9 |
| 14 (15) |  | How to Get Ahead In Advertising () | £17,253 | £23,292 | £206,077 | -15% | 4 |
| 15 (14) |  | The Dead Pool () | £14,294 | £20,012 | £1,655,017 | -46% | 7 |
| 16 (16) |  | Without a Clue (1988) | £11,877 | £17,222 | £214,409 | -39% | 4 |
| 17 (17) |  | Twins (1989) | £10,431 | £14,603 | £3,769,359 | -41% | 11 |
| 18 (18) |  | The January Man (1989) | £9,128 | £12,323 | £172,803 | -45% | 4 |
| 19 (19) |  | Getting It Right (1989) | £8,154 | £11,008 | £105,758 | -29% | 4 |
| 20 (20) |  | The Tall Guy () | £8,067 | £10,487 | £1,756,673 | -29% | 7 |
| 21 (21) |  | Paris By Night (1989) | £917 | £1,192 | £149,672 | -62% | 6 |