| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (1) |  | The Naked Gun: From the Files of Police Squad! (1988) | £654,055 | £850,272 | £3,356,897 | 7% | 4 |
| 2 (new) |  | Rain Man (1989) | £565,036 | £565,036 | £565,036 | new | 1 |
| 3 (new) |  | Scandal (1989) | £437,786 | £437,786 | £437,786 | new | 1 |
| 4 (2) |  | The Accidental Tourist (1989) | £274,796 | £398,454 | £720,567 | -15% | 2 |
| 5 (new) |  | D.O.A. (1989) | £232,952 | £232,952 | £232,952 | new | 1 |
| 6 (3) |  | The Accused (1989) | £155,353 | £201,959 | £994,259 | -41% | 3 |
| 7 (new) | | High Hopes (1988) | £110,497 | £110,497 | £110,497 | new | 1 |
| 8 (5) |  | Fatal Beauty (1987) | £99,331 | £129,130 | £317,859 | -47% | 2 |
| 9 (4) |  | Die Hard (1988) | £92,475 | £120,218 | £2,229,761 | -62% | 5 |
| 10 (7) |  | Arthur 2: On the Rocks (1989) | £53,017 | £71,573 | £656,060 | -41% | 4 |
| 11 (9) |  | The Big Blue (1988) | £32,668 | £44,102 | £106,171 | -47% | 2 |
| 12 (6) |  | Return of the Living Dead Part II (1989) | £31,261 | £40,639 | £195,203 | -80% | 2 |
| 13 (10) |  | Cocktail (1988) | £29,918 | £38,893 | £2,301,200 | -44% | 7 |
| 14 (8) |  | Slipstream (1989) | £27,688 | £40,148 | £675,387 | -57% | 4 |
| 15 (15) |  | Young Guns (1989) | £9,095 | £13,188 | £1,128,649 | -9% | 9 |