| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (1) |  | A Fish Called Wanda (1988) | £723,628 | £862,928 | £4,896,945 | 7% | 5 |
| 2 (new) |  | Colors (1988) | £424,056 | £424,056 | £424,056 | new | 1 |
| 3 (2) |  | Big (1988) | £221,124 | £342,281 | £2,611,885 | -47% | 4 |
| 4 (3) |  | Buster (1988) | £114,748 | £177,607 | £3,894,849 | -50% | 9 |
| 5 (new) |  | Stormy Monday (1988) | £63,128 | £63,128 | £63,128 | new | 1 |
| 6 (new) |  | Taffin (1988) | £50,124 | £50,124 | £50,124 | new | 1 |
| 7 (4) |  | Good Morning Vietnam (1988) | £35,499 | £-40,657 | £3,244,908 | -50% | 7 |
| 8 (5) |  | Midnight Run (1988) | £27,550 | £47,827 | £1,432,547 | -38% | 6 |
| 9 (7) |  | Big Business (1988) | £5,792 | £-11,151 | £1,003,323 | -37% | 11 |
| 10 (8) |  | Distant Voices, Still Lives (1988) | £2,198 | £17,483 | £577,797 | -62% | 7 |
| 11 (9) |  | Beetlejuice (1988) | £1,041 | £1,405 | £2,355,302 | -41% | 13 |