| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (2) |  | Working Girl (1988) | £586,733 | £821,426 | £1,916,680 | 35% | 3 |
| 2 (new) |  | The Tall Guy (1989) | £572,511 | £572,511 | £572,511 | new | 1 |
| 3 (new) |  | The Dead Pool (1988) | £472,478 | £472,478 | £472,478 | new | 1 |
| 4 (3) |  | Twins (1989) | £428,041 | £674,701 | £2,997,716 | 23% | 5 |
| 5 (1) |  | Rain Man (1989) | £422,104 | £688,001 | £4,336,003 | 10% | 7 |
| 6 (5) |  | Tequila Sunrise (1989) | £238,135 | £287,665 | £1,417,876 | -22% | 3 |
| 7 (4) |  | Alien Nation (1988) | £233,484 | £315,203 | £635,474 | -27% | 2 |
| 8 (8) |  | The Naked Gun: From the Files of Police Squad! (1988) | £28,073 | £17,298 | £4,566,178 | -41% | 10 |
| 9 (7) | | Fright Night Part 2 (1989) | £27,352 | £39,660 | £94,363 | -50% | 2 |
| 10 (6) |  | Scandal (1989) | £24,273 | £18,149 | £1,368,411 | -57% | 7 |
| 11 (9) |  | Iron Eagle II (1989) | £19,717 | £17,508 | £419,182 | -55% | 4 |
| 12 (10) |  | Dangerous Liaisons (1989) | £12,334 | £42,287 | £1,265,776 | -55% | 6 |
| 13 (11) |  | The Adventures of Baron Munchausen (1989) | £7,620 | £16,177 | £329,327 | -52% | 5 |
| 14 (new) |  | Burning Secret (1988) | £4,771 | £4,771 | £4,771 | new | 1 |
| 15 (16) |  | Cocktail (1988) | £879 | £3,488 | £2,353,620 | -44% | 13 |