| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (1) |  | The Rugrats Movie (1998) | £1,326,486 | £3,803,862 | £8,899,463 | -6% | 3 |
| 2 (new) |  | The Faculty (1999) | £894,161 | £894,161 | £894,161 | new | 1 |
| 3 (4) |  | Waking Ned Devine (1999) | £498,622 | £1,099,027 | £4,432,909 | -18% | 4 |
| 4 (2) |  | Plunkett & Macleane (1999) | £414,269 | £1,000,069 | £1,760,350 | -46% | 2 |
| 5 (6) |  | Mighty Joe Young (1999) | £409,450 | £1,247,960 | £2,721,895 | -19% | 3 |
| 6 (3) |  | Payback (1999) | £408,108 | £928,344 | £3,447,196 | -42% | 3 |
| 7 (new) | | A Civil Action (1998) | £332,872 | £332,872 | £332,872 | new | 1 |
| 8 (5) |  | Shakespeare In Love (1999) | £325,415 | £843,803 | £18,682,213 | -36% | 11 |
| 9 (7) |  | A Bug's Life (1998) | £208,498 | £668,071 | £28,411,009 | -30% | 10 |
| 10 (8) |  | Blast From the Past (1999) | £172,402 | £465,995 | £732,620 | -35% | 2 |
| 11 (10) |  | Life Is Beautiful (1999) | £111,458 | £251,512 | £1,760,352 | -21% | 9 |
| 12 (11) | | Tea With Mussolini (1999) | £98,273 | £240,189 | £363,977 | -21% | 2 |
| 13 (9) |  | Arlington Road (1999) | £81,187 | £224,015 | £1,715,280 | -56% | 4 |
| 14 (re) |  | Madeline (1999) | £38,833 | £38,833 | £2,324,514 | re | 7 |
| 15 (12) |  | The Thin Red Line (1999) | £38,100 | £119,110 | £3,983,932 | -59% | 7 |