| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (new) |  | Good Morning Vietnam (1988) | £767,851 | £767,851 | £767,851 | new | 1 |
| 2 (1) |  | The Running Man (1988) | £314,340 | £440,076 | £1,018,029 | -46% | 2 |
| 3 (new) |  | Distant Voices, Still Lives (1988) | £216,312 | £216,312 | £216,312 | new | 1 |
| 4 (2) |  | Poltergeist III (1988) | £124,539 | £180,582 | £392,299 | -41% | 2 |
| 5 (6) |  | Buster (1988) | £70,729 | £95,484 | £239,367 | 15% | 3 |
| 6 (3) |  | Beetlejuice (1988) | £47,687 | £64,377 | £2,271,762 | -44% | 7 |
| 7 (5) |  | Rambo III (1988) | £34,807 | £45,249 | £1,619,178 | -55% | 6 |
| 8 (4) |  | Big Business (1988) | £31,575 | £41,048 | £920,281 | -60% | 5 |
| 9 (7) |  | Coming to America (1988) | £26,528 | £35,813 | £3,422,573 | -44% | 9 |
| 10 (9) | | Drowning By Numbers (1988) | £20,953 | £29,334 | £268,035 | -33% | 4 |
| 11 (10) |  | The Presidio (1988) | £16,840 | £24,418 | £1,145,228 | -41% | 7 |
| 12 (8) |  | The Last Temptation of Christ (1988) | £14,417 | £19,463 | £311,904 | -55% | 4 |
| 13 (11) |  | Police Academy 5: Assignment Miami Beach (1988) | £2,220 | £3,108 | £2,891,984 | -60% | 12 |