| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (2) |  | A Nightmare On Elm Street 4: The Dream Master (1989) | £492,558 | £689,581 | £944,696 | 48% | 2 |
| 2 (4) |  | Mississippi Burning (1988) | £460,598 | £598,777 | £773,913 | 62% | 2 |
| 3 (new) |  | Her Alibi (1989) | £342,816 | £342,816 | £342,816 | new | 1 |
| 4 (3) |  | Rain Man (1989) | £291,252 | £393,190 | £6,011,330 | 24% | 11 |
| 5 (5) |  | Betrayed (1989) | £118,324 | £171,570 | £572,508 | -13% | 3 |
| 6 (1) |  | My Stepmother Is An Alien (1988) | £105,829 | £148,161 | £835,069 | -61% | 3 |
| 7 (6) |  | Working Girl (1988) | £74,269 | £103,977 | £2,857,704 | -38% | 7 |
| 8 (8) |  | The Dead Pool (1988) | £51,602 | £67,083 | £1,597,733 | -47% | 5 |
| 9 (10) |  | Twins (1989) | £51,249 | £74,311 | £3,730,816 | -41% | 9 |
| 10 (9) |  | How to Get Ahead In Advertising (1989) | £45,444 | £63,622 | £154,509 | -50% | 2 |
| 11 (7) |  | Without a Clue (1988) | £43,232 | £58,363 | £170,767 | -62% | 2 |
| 12 (12) |  | The Tall Guy (1989) | £41,948 | £56,630 | £1,730,342 | -50% | 5 |
| 13 (11) |  | The January Man (1989) | £40,255 | £54,344 | £138,880 | -52% | 2 |
| 14 (15) |  | Getting It Right (1989) | £28,539 | £39,955 | £79,909 | -29% | 2 |
| 15 (13) |  | Tequila Sunrise (1989) | £28,512 | £41,342 | £1,818,455 | -41% | 7 |