| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (1) |  | Titanic (1997) | £1,953,082 | £2,734,315 | £45,612,378 | -21% | 9 |
| 2 (new) |  | The Man In the Iron Mask (1998) | £1,149,709 | £1,149,709 | £1,149,709 | new | 1 |
| 3 (3) |  | As Good As It Gets (1997) | £745,832 | £1,006,873 | £1,916,332 | -18% | 2 |
| 4 (2) |  | Good Will Hunting (1998) | £676,281 | £980,607 | £3,564,776 | -27% | 3 |
| 5 (4) |  | Kiss the Girls (1998) | £282,587 | £367,363 | £1,896,462 | -47% | 3 |
| 6 (new) |  | Gattaca (1998) | £238,665 | £238,665 | £238,665 | new | 1 |
| 7 (5) |  | Fallen (1998) | £197,122 | £256,259 | £666,862 | -52% | 2 |
| 8 (6) |  | Flubber (1998) | £174,366 | £226,676 | £7,241,465 | -45% | 7 |
| 9 (new) |  | Jackie Brown (1998) | £85,244 | £85,244 | £85,244 | new | 1 |
| 10 (9) |  | Paws (1997) | £81,834 | £118,659 | £1,234,132 | -29% | 6 |
| 11 (8) |  | The Butcher Boy (1998) | £68,596 | £89,175 | £1,221,235 | -48% | 5 |
| 12 (11) |  | Wag the Dog (1997) | £67,519 | £97,903 | £196,051 | -31% | 2 |
| 13 (7) |  | Amistad (1998) | £65,418 | £85,043 | £1,416,128 | -64% | 4 |
| 14 (12) |  | Fairytale: A True Story (1997) | £58,243 | £84,452 | £1,597,092 | -41% | 6 |
| 15 (16) |  | L.A. Confidential (1997) | £40,214 | £54,289 | £7,655,456 | 13% | 21 |