| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (new) |  | A Bug's Life (1998) | £4,204,678 | £4,204,678 | £4,204,678 | new | 1 |
| 2 (1) |  | Shakespeare In Love (1999) | £1,679,818 | £2,921,819 | £4,741,204 | -8% | 2 |
| 3 (2) |  | Stepmom (1999) | £569,854 | £934,156 | £1,565,317 | -10% | 2 |
| 4 (3) |  | Little Voice (1999) | £530,543 | £902,699 | £5,385,624 | -15% | 5 |
| 5 (4) |  | Practical Magic (1999) | £339,803 | £547,415 | £2,505,872 | -41% | 3 |
| 6 (5) |  | Very Bad Things (1998) | £323,124 | £565,920 | £1,003,434 | -26% | 2 |
| 7 (6) |  | Enemy of the State (1998) | £314,277 | £504,139 | £10,373,274 | -27% | 7 |
| 8 (7) |  | Meet Joe Black (1998) | £144,873 | £303,099 | £3,087,979 | -58% | 4 |
| 9 (new) |  | Hideous Kinky (1999) | £136,980 | £136,980 | £136,980 | new | 1 |
| 10 (8) |  | Star Trek: Insurrection (1999) | £114,580 | £217,061 | £7,329,331 | -53% | 6 |
| 11 (10) |  | The Parent Trap (1998) | £100,272 | £112,854 | £4,996,756 | -51% | 9 |
| 12 (14) | | The Opposite of Sex (1999) | £87,877 | £158,128 | £856,135 | -34% | 4 |
| 13 (11) |  | The Prince of Egypt (1998) | £76,493 | £88,895 | £5,063,045 | -60% | 8 |
| 14 (12) |  | The Mask of Zorro (1998) | £71,096 | £121,851 | £6,453,319 | -58% | 9 |
| 15 (9) |  | The Siege (1998) | £69,278 | £160,151 | £3,143,307 | -66% | 5 |