| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (1) |  | A Fish Called Wanda (1988) | £670,486 | £905,156 | £4,034,017 | -12% | 4 |
| 2 (2) |  | Big (1988) | £420,135 | £567,182 | £2,269,604 | -45% | 3 |
| 3 (3) |  | Buster (1988) | £229,495 | £321,293 | £3,717,242 | -50% | 8 |
| 4 (4) |  | Good Morning Vietnam (1988) | £70,998 | £95,847 | £3,285,565 | -50% | 6 |
| 5 (5) |  | Midnight Run (1988) | £44,080 | £59,508 | £1,384,720 | -38% | 5 |
| 6 (6) |  | The Running Man (1988) | £12,695 | £18,408 | £1,482,752 | -47% | 7 |
| 7 (8) |  | Big Business (1988) | £9,267 | £12,047 | £1,014,474 | -9% | 10 |
| 8 (7) |  | Distant Voices, Still Lives (1988) | £5,714 | £7,714 | £560,314 | -50% | 6 |
| 9 (9) |  | Beetlejuice (1988) | £1,754 | £2,456 | £2,353,897 | -62% | 12 |
| 10 (10) |  | Rambo III (1988) | £1,005 | £1,457 | £1,659,001 | -32% | 11 |