| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (1) |  | Titanic (1997) | £3,849,120 | £5,388,768 | £24,885,880 | -10% | 4 |
| 2 (2) |  | Flubber (1998) | £1,235,888 | £1,606,654 | £3,027,565 | -13% | 2 |
| 3 (new) |  | In & Out (1997) | £923,551 | £923,551 | £923,551 | new | 1 |
| 4 (new) |  | Mortal Kombat Annihilation (1998) | £278,808 | £278,808 | £278,808 | new | 1 |
| 5 (new) |  | Fairytale: A True Story (1997) | £272,295 | £272,295 | £272,295 | new | 1 |
| 6 (4) |  | The Devil's Advocate (1998) | £230,967 | £334,902 | £3,919,837 | -44% | 5 |
| 7 (3) |  | Up 'n' Under (1998) | £203,448 | £284,827 | £2,491,253 | -53% | 4 |
| 8 (5) |  | Boogie Nights (1998) | £186,451 | £270,354 | £3,051,652 | -44% | 5 |
| 9 (7) |  | The Ice Storm (1997) | £180,116 | £234,151 | £451,714 | -17% | 2 |
| 10 (new) |  | Paws (1997) | £137,731 | £137,731 | £137,731 | new | 1 |
| 11 (6) |  | The Boxer (1998) | £124,349 | £167,871 | £400,666 | -47% | 2 |
| 12 (12) |  | The Full Monty (1997) | £110,132 | £254,185 | £51,080,732 | -17% | 25 |
| 13 (9) |  | George of the Jungle (1997) | £97,061 | £126,179 | £7,985,519 | -47% | 9 |
| 14 (new) |  | Good Burger (1998) | £92,847 | £92,847 | £92,847 | new | 1 |
| 15 (8) |  | Spice World: The Movie (1997) | £81,331 | £113,863 | £11,611,543 | -57% | 8 |