| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (new) |  | Star Wars Episode I: The Phantom Menace (1999) | £9,512,295 | £9,512,295 | £9,512,295 | new | 1 |
| 2 (1) |  | The Mummy (1999) | £838,891 | £1,677,345 | £12,627,510 | -34% | 4 |
| 3 (4) |  | Notting Hill (1999) | £499,715 | £1,054,951 | £23,996,924 | -7% | 9 |
| 4 (2) |  | Entrapment (1999) | £463,620 | £1,028,428 | £3,883,266 | -35% | 3 |
| 5 (3) |  | The Matrix (1999) | £457,119 | £964,614 | £14,592,885 | -32% | 6 |
| 6 (5) |  | 10 Things I Hate About You (1999) | £386,655 | £729,383 | £1,169,359 | -12% | 2 |
| 7 (6) |  | Cruel Intentions (1999) | £109,612 | £281,225 | £3,566,841 | -55% | 5 |
| 8 (9) | | Mann (1999) | £43,972 | £78,353 | £163,091 | -48% | 2 |
| 9 (7) | | Virtual Sexuality (1999) | £30,065 | £119,782 | £664,525 | -78% | 3 |
| 10 (11) |  | My Favorite Martian (1999) | £28,555 | £66,210 | £1,832,549 | -31% | 8 |
| 11 (8) |  | Rogue Trader (1999) | £27,096 | £87,391 | £897,477 | -71% | 4 |
| 12 (13) |  | The King and I (1999) | £26,884 | £26,884 | £1,364,075 | 5% | 8 |
| 13 (15) | | The Dinner Game (1999) | £21,647 | £42,493 | £119,273 | 1% | 2 |
| 14 (10) |  | Human Traffic (1999) | £16,555 | £55,432 | £2,186,292 | -62% | 7 |
| 15 (14) |  | Celebrity (1998) | £10,500 | £13,866 | £475,900 | -56% | 5 |