| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (1) |  | Titanic (1997) | £1,504,551 | £3,031,144 | £51,533,482 | -32% | 11 |
| 2 (new) |  | Mousehunt (1998) | £975,360 | £975,360 | £975,360 | new | 1 |
| 3 (2) |  | As Good As It Gets (1997) | £804,673 | £1,166,776 | £4,386,350 | -20% | 4 |
| 4 (re) |  | Anastasia (1997) | £645,939 | £645,939 | £689,138 | RE | 1 |
| 5 (new) |  | Hard Rain (1998) | £472,553 | £472,553 | £472,553 | new | 1 |
| 6 (4) |  | Sphere (1998) | £446,643 | £625,300 | £1,311,784 | -35% | 2 |
| 7 (5) |  | Good Will Hunting (1998) | £441,229 | £595,659 | £5,153,468 | -36% | 5 |
| 8 (3) |  | The Man In the Iron Mask (1998) | £425,977 | £617,667 | £3,009,063 | -52% | 3 |
| 9 (6) |  | Jackie Brown (1998) | £413,782 | £537,917 | £966,434 | 43% | 3 |
| 10 (9) |  | Flubber (1998) | £217,177 | £282,330 | £7,740,881 | 23% | 9 |
| 11 (7) |  | Kiss the Girls (1998) | £76,617 | £107,264 | £2,311,835 | -64% | 5 |
| 12 (8) |  | Gattaca (1998) | £58,578 | £79,080 | £585,610 | -69% | 3 |
| 13 (new) |  | Kundun (1997) | £57,729 | £57,729 | £57,729 | new | 1 |
| 14 (12) |  | L.A. Confidential (1997) | £56,505 | £79,107 | £8,040,494 | -26% | 23 |
| 15 (new) |  | Oscar and Lucinda (1998) | £45,278 | £45,278 | £45,278 | new | 1 |