| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (1) |  | Titanic (1997) | £2,469,191 | £3,456,867 | £42,878,063 | -18% | 8 |
| 2 (2) |  | Good Will Hunting (1998) | £932,100 | £1,351,545 | £2,584,169 | -24% | 2 |
| 3 (new) |  | As Good As It Gets (1997) | £909,459 | £909,459 | £909,459 | new | 1 |
| 4 (3) |  | Kiss the Girls (1998) | £535,733 | £696,453 | £1,529,099 | -36% | 2 |
| 5 (new) |  | Fallen (1998) | £410,603 | £410,603 | £410,603 | new | 1 |
| 6 (4) |  | Flubber (1998) | £316,958 | £412,045 | £7,014,789 | -38% | 6 |
| 7 (5) |  | Amistad (1998) | £181,697 | £263,461 | £1,331,085 | -48% | 3 |
| 8 (7) |  | The Butcher Boy (1998) | £131,688 | £171,194 | £1,132,060 | -35% | 4 |
| 9 (8) |  | Paws (1997) | £114,620 | £149,006 | £1,115,473 | -24% | 5 |
| 10 (6) |  | In & Out (1997) | £112,430 | £146,159 | £3,086,010 | -58% | 5 |
| 11 (new) |  | Wag the Dog (1997) | £98,148 | £98,148 | £98,148 | new | 1 |
| 12 (9) |  | Fairytale: A True Story (1997) | £97,964 | £142,048 | £1,512,640 | -34% | 5 |
| 13 (13) |  | Good Burger (1998) | £54,238 | £73,221 | £558,047 | -26% | 5 |
| 14 (14) |  | The Full Monty (1997) | £53,112 | £171,701 | £52,064,220 | -17% | 29 |
| 15 (12) |  | Boogie Nights (1998) | £40,165 | £58,239 | £3,611,494 | -55% | 9 |