| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (new) |  | South Park: Bigger, Longer and Uncut (1999) | £1,496,581 | £1,496,581 | £1,496,581 | new | 1 |
| 2 (1) |  | Star Wars Episode I: The Phantom Menace (1999) | £1,036,037 | £2,492,216 | £45,375,620 | -27% | 7 |
| 3 (new) |  | Never Been Kissed (1999) | £825,168 | £825,168 | £825,168 | new | 1 |
| 4 (2) |  | Austin Powers: The Spy Who Shagged Me (1999) | £813,998 | £1,902,779 | £22,862,054 | -35% | 5 |
| 5 (4) |  | The Thomas Crown Affair (1999) | £699,800 | £1,447,512 | £2,363,964 | -24% | 2 |
| 6 (3) |  | Mickey Blue Eyes (1999) | £665,397 | £1,461,921 | £2,439,148 | -32% | 2 |
| 7 (5) |  | Wild Wild West (1999) | £381,994 | £1,146,746 | £5,938,515 | -56% | 3 |
| 8 (new) |  | Life (1999) | £367,806 | £367,806 | £367,806 | new | 1 |
| 9 (6) |  | Notting Hill (1999) | £270,825 | £616,746 | £29,609,832 | -20% | 15 |
| 10 (7) |  | The Mummy (1999) | £124,113 | £286,464 | £17,201,358 | -30% | 10 |
| 11 (new) |  | All About My Mother (1999) | £99,533 | £99,533 | £99,533 | new | 1 |
| 12 (new) | | Baadshah (1999) | £97,236 | £97,236 | £97,236 | new | 1 |
| 13 (9) |  | Doug's 1st Movie (1999) | £70,018 | £203,761 | £921,377 | -12% | 4 |
| 14 (8) |  | The Matrix (1999) | £63,166 | £496,488 | £17,279,897 | -33% | 12 |
| 15 (11) | | Taal (1999) | £50,249 | £98,717 | £331,453 | -24% | 3 |