| pos. | Title | Gross | |
|---|---|---|---|
| 1 |  | Batman (1989) | £11,318,836 |
| 2 |  | Shirley Valentine (1989) | £9,934,170 |
| 3 |  | Indiana Jones and the Last Crusade (1989) | £9,873,330 |
| 4 |  | Back to the Future Part II (1989) | £9,691,505 |
| 5 |  | Lethal Weapon 2 (1989) | £7,352,334 |
| 6 |  | When Harry Met Sally (1989) | £6,647,781 |
| 7 |  | Rain Man (1989) | £6,148,847 |
| 8 |  | Licence to Kill (1989) | £6,082,923 |
| 9 |  | Ghostbusters II (1989) | £5,158,648 |
| 10 |  | The Naked Gun: From the Files of Police Squad! (1988) | £4,613,931 |
| 11 |  | Twins (1989) | £3,794,235 |
| 12 |  | Dead Poets Society (1989) | £3,397,603 |
| 13 |  | Working Girl (1988) | £2,948,727 |
| 14 |  | See No Evil, Hear No Evil (1989) | £2,491,324 |
| 15 |  | Die Hard (1988) | £2,434,594 |
| 16 |  | Cocktail (1988) | £2,353,620 |
| 17 |  | The Abyss (1989) | £2,300,712 |
| 18 |  | Police Academy 6: City Under Siege (1989) | £2,199,220 |
| 19 |  | Wilt (1989) | £2,198,349 |
| 20 |  | Mississippi Burning (1988) | £2,189,414 |