| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (1) |  | The Rugrats Movie (1998) | £1,403,862 | £3,123,916 | £5,095,601 | -29% | 2 |
| 2 (new) |  | Plunkett & Macleane (1999) | £760,281 | £760,281 | £760,281 | new | 1 |
| 3 (2) |  | Payback (1999) | £707,689 | £1,337,826 | £2,518,852 | -40% | 2 |
| 4 (3) |  | Waking Ned Devine (1999) | £606,631 | £1,141,772 | £3,333,882 | -19% | 3 |
| 5 (4) |  | Shakespeare In Love (1999) | £507,396 | £1,099,843 | £17,838,410 | -21% | 10 |
| 6 (5) |  | Mighty Joe Young (1999) | £507,072 | £1,022,988 | £1,473,935 | 11% | 2 |
| 7 (7) |  | A Bug's Life (1998) | £299,388 | £609,207 | £27,742,938 | 5% | 9 |
| 8 (new) |  | Blast From the Past (1999) | £266,625 | £266,625 | £266,625 | new | 1 |
| 9 (6) |  | Arlington Road (1999) | £184,873 | £387,496 | £1,491,265 | -38% | 3 |
| 10 (10) |  | Life Is Beautiful (1999) | £141,201 | £260,681 | £1,508,840 | 2% | 8 |
| 11 (new) | | Tea With Mussolini (1999) | £123,788 | £123,788 | £123,788 | new | 1 |
| 12 (8) |  | The Thin Red Line (1999) | £92,596 | £247,743 | £3,864,822 | -54% | 6 |
| 13 (9) |  | Patch Adams (1998) | £83,747 | £238,530 | £2,231,028 | -57% | 4 |
| 14 (11) |  | American History X (1999) | £79,745 | £170,809 | £291,438 | -34% | 2 |
| 15 (12) |  | You've Got Mail (1998) | £62,562 | £159,281 | £4,753,422 | -42% | 6 |