| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (1) |  | A Fish Called Wanda (1988) | £761,468 | £1,104,129 | £3,128,861 | 6% | 3 |
| 2 (3) |  | Big (1988) | £758,257 | £985,734 | £1,702,422 | 5% | 2 |
| 3 (2) |  | Buster (1988) | £458,989 | £642,585 | £3,395,949 | -36% | 7 |
| 4 (4) |  | Good Morning Vietnam (1988) | £141,995 | £198,793 | £3,189,718 | -50% | 5 |
| 5 (5) |  | Midnight Run (1988) | £70,528 | £95,213 | £1,325,212 | -37% | 4 |
| 6 (6) |  | The Running Man (1988) | £24,121 | £31,357 | £1,464,344 | -47% | 6 |
| 7 (7) |  | Distant Voices, Still Lives (1988) | £11,428 | £16,571 | £552,600 | -62% | 5 |
| 8 (8) |  | Big Business (1988) | £10,194 | £14,781 | £1,002,427 | -9% | 9 |
| 9 (9) |  | Beetlejuice (1988) | £4,623 | £6,241 | £2,351,441 | -56% | 11 |
| 10 (11) |  | Rambo III (1988) | £1,486 | £1,932 | £1,657,544 | -55% | 10 |
| 11 (10) |  | Coming to America (1988) | £1,195 | £1,673 | £3,472,033 | -86% | 13 |