| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (2) |  | Rain Man (1989) | £552,236 | £717,907 | £3,132,818 | 40% | 5 |
| 2 (new) |  | Working Girl (1988) | £546,035 | £546,035 | £546,035 | new | 1 |
| 3 (1) |  | Twins (1989) | £437,038 | £568,149 | £1,897,045 | -13% | 3 |
| 4 (re) |  | Tequila Sunrise (1989) | £388,209 | £388,209 | £688,209 | RE | 1 |
| 5 (4) |  | Scandal (1989) | £128,405 | £186,187 | £1,269,311 | -33% | 5 |
| 6 (3) |  | Iron Eagle II (1989) | £95,430 | £128,831 | £338,777 | -55% | 2 |
| 7 (5) |  | The Naked Gun: From the Files of Police Squad! (1988) | £80,180 | £112,252 | £4,484,831 | -41% | 8 |
| 8 (6) |  | Dangerous Liaisons (1989) | £59,695 | £86,558 | £1,188,215 | -55% | 4 |
| 9 (7) |  | The Adventures of Baron Munchausen (1989) | £33,603 | £45,364 | £292,349 | -52% | 3 |
| 10 (8) |  | D.O.A. (1989) | £22,179 | £28,833 | £549,125 | -54% | 5 |
| 11 (9) |  | The Accidental Tourist (1989) | £21,086 | £30,575 | £1,111,053 | -47% | 6 |
| 12 (10) |  | The Accused (1989) | £18,601 | £25,111 | £1,270,296 | -41% | 7 |
| 13 (12) | | High Hopes (1988) | £10,738 | £15,570 | £278,229 | -60% | 5 |
| 14 (11) |  | Die Hard (1988) | £10,538 | £14,753 | £2,429,122 | -62% | 9 |
| 15 (13) |  | Slipstream (1989) | £3,567 | £4,815 | £732,708 | -57% | 8 |
| 16 (14) |  | Cocktail (1988) | £2,850 | £3,990 | £2,347,995 | -44% | 11 |
| 17 (15) |  | The Lair of the White Worm (1988) | £1,472 | £1,987 | £18,198 | -50% | 4 |
| 18 (16) |  | Resurrected (1989) | £629 | £849 | £3,884 | -29% | 3 |