| pos. | Title | Gross | |
|---|---|---|---|
| 1 |  | Star Wars Episode I: The Phantom Menace (1999) | £51,063,811 |
| 2 |  | Notting Hill (1999) | £30,765,273 |
| 3 |  | A Bug's Life (1998) | £29,310,536 |
| 4 |  | Austin Powers: The Spy Who Shagged Me (1999) | £25,772,822 |
| 5 |  | The World Is Not Enough (1999) | £23,375,037 |
| 6 |  | The Sixth Sense (1999) | £20,449,726 |
| 7 |  | Shakespeare In Love (1999) | £20,407,662 |
| 8 |  | Tarzan (1999) | £17,469,366 |
| 9 |  | The Mummy (1999) | £17,439,339 |
| 10 |  | The Matrix (1999) | £17,279,897 |
| 11 |  | The Blair Witch Project (1999) | £14,901,157 |
| 12 |  | American Pie (1999) | £13,833,890 |
| 13 |  | The Rugrats Movie (1998) | £13,055,224 |
| 14 |  | Enemy of the State (1998) | £9,878,908 |
| 15 |  | Deep Blue Sea (1999) | £8,087,585 |
| 16 |  | Little Voice (1999) | £8,054,279 |
| 17 |  | Star Trek: Insurrection (1999) | £7,429,398 |
| 18 |  | Runaway Bride (1999) | £7,360,468 |
| 19 |  | East Is East (1999) | £7,251,243 |
| 20 |  | Wild Wild West (1999) | £6,691,652 |