| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (new) |  | U.S. Marshals (1998) | £780,012 | £780,012 | £780,012 | new | 1 |
| 2 (1) |  | Titanic (1997) | £669,252 | £1,036,953 | £56,985,624 | -32% | 14 |
| 3 (3) |  | Jackie Brown (1998) | £517,857 | £699,107 | £4,705,687 | -36% | 6 |
| 4 (4) |  | Great Expectations (1998) | £410,512 | £554,191 | £1,226,567 | -39% | 2 |
| 5 (6) |  | As Good As It Gets (1997) | £409,573 | £552,924 | £6,647,852 | -23% | 7 |
| 6 (2) |  | Mousehunt (1998) | £369,770 | £517,678 | £4,097,691 | -54% | 4 |
| 7 (new) |  | The Rainmaker (1998) | £339,465 | £339,465 | £339,465 | new | 1 |
| 8 (5) |  | Anastasia (1997) | £264,722 | £383,847 | £2,885,183 | -58% | 4 |
| 9 (new) |  | The Big Lebowski (1998) | £171,544 | £171,544 | £171,544 | new | 1 |
| 10 (8) |  | Deconstructing Harry (1998) | £129,547 | £187,843 | £387,401 | -35% | 2 |
| 11 (7) |  | Good Will Hunting (1998) | £120,863 | £163,165 | £6,178,761 | -47% | 8 |
| 12 (new) |  | U Turn (1998) | £72,044 | £72,044 | £72,044 | new | 1 |
| 13 (10) |  | The Man In the Iron Mask (1998) | £71,658 | £103,904 | £3,811,137 | -51% | 6 |
| 14 (11) |  | Sphere (1998) | £50,500 | £73,225 | £1,828,997 | -42% | 5 |
| 15 (12) |  | Midnight In the Garden of Good and Evil (1997) | £40,200 | £-44,430 | £179,505 | -43% | 4 |