| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (1) |  | Rain Man (1989) | £337,066 | £488,746 | £5,320,570 | -8% | 9 |
| 2 (new) |  | My Stepmother Is An Alien () | £323,317 | £323,317 | £323,317 | new | 1 |
| 3 (new) |  | Betrayed () | £223,296 | £223,296 | £223,296 | new | 1 |
| 4 (4) |  | Working Girl () | £190,130 | £256,676 | £2,599,247 | -38% | 5 |
| 5 (2) |  | The Dead Pool () | £186,282 | £260,795 | £1,393,390 | -47% | 3 |
| 6 (3) |  | The Tall Guy () | £167,791 | £218,128 | £1,560,452 | -50% | 3 |
| 7 (5) |  | Twins (1989) | £148,111 | £192,544 | £3,530,175 | -41% | 7 |
| 8 (6) |  | Tequila Sunrise () | £82,399 | £107,119 | £1,714,102 | -41% | 5 |
| 9 (7) |  | Alien Nation () | £72,063 | £104,491 | £928,049 | -44% | 4 |
| 10 (8) |  | Paris By Night (1989) | £33,831 | £49,055 | £120,101 | -52% | 2 |
| 11 (9) |  | The Naked Gun: From the Files of Police Squad! () | £9,829 | £12,778 | £4,601,381 | -41% | 12 |
| 12 (11) |  | Scandal (1989) | £4,588 | £6,653 | £1,390,366 | -57% | 9 |
| 13 (13) |  | Burning Secret () | £1,591 | £2,068 | £11,451 | -50% | 3 |
| 14 (new) |  | Joyriders (1988) | £781 | £781 | £781 | new | 1 |
| 15 (14) |  | Checking Out () | £386 | £502 | £1,042 | -29% | 2 |