| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (1) |  | Good Morning Vietnam (1988) | £742,164 | £1,001,921 | £1,769,772 | -3% | 2 |
| 2 (new) |  | Midnight Run (1988) | £705,274 | £705,274 | £705,274 | new | 1 |
| 3 (2) |  | The Running Man (1988) | £165,442 | £239,891 | £1,257,920 | -47% | 3 |
| 4 (3) |  | Distant Voices, Still Lives (1988) | £154,509 | £200,862 | £417,174 | -29% | 2 |
| 5 (4) |  | Poltergeist III (1988) | £73,258 | £95,235 | £487,534 | -41% | 3 |
| 6 (5) |  | Buster (1988) | £69,920 | £94,392 | £333,759 | -1% | 4 |
| 7 (6) |  | Beetlejuice (1988) | £26,493 | £38,415 | £2,310,177 | -44% | 8 |
| 8 (8) |  | Big Business (1988) | £19,734 | £25,654 | £945,935 | -38% | 6 |
| 9 (7) |  | Rambo III (1988) | £15,821 | £22,149 | £1,641,327 | -55% | 7 |
| 10 (9) |  | Coming to America (1988) | £14,988 | £20,234 | £3,442,807 | -44% | 10 |
| 11 (10) | | Drowning By Numbers (1988) | £9,978 | £13,470 | £281,505 | -52% | 5 |
| 12 (11) |  | The Presidio (1988) | £9,906 | £14,364 | £1,159,592 | -41% | 8 |
| 13 (12) |  | The Last Temptation of Christ (1988) | £6,553 | £8,519 | £320,423 | -55% | 5 |
| 14 (13) |  | Police Academy 5: Assignment Miami Beach (1988) | £2,018 | £2,926 | £2,894,910 | -9% | 13 |