| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (1) |  | Titanic (1997) | £3,010,921 | £4,365,835 | £39,421,196 | -12% | 7 |
| 2 (new) |  | Good Will Hunting (1998) | £1,232,624 | £1,232,624 | £1,232,624 | new | 1 |
| 3 (new) |  | Kiss the Girls (1998) | £832,646 | £832,646 | £832,646 | new | 1 |
| 4 (2) |  | Flubber (1998) | £507,922 | £660,299 | £6,602,744 | -32% | 5 |
| 5 (3) |  | Amistad (1998) | £349,872 | £489,821 | £1,067,624 | -39% | 2 |
| 6 (4) |  | In & Out (1997) | £266,331 | £386,180 | £2,939,851 | -42% | 4 |
| 7 (7) |  | The Butcher Boy (1998) | £203,001 | £274,051 | £960,866 | -26% | 3 |
| 8 (9) |  | Paws (1997) | £150,278 | £217,903 | £966,467 | -9% | 4 |
| 9 (8) |  | Fairytale: A True Story (1997) | £149,467 | £209,254 | £1,370,592 | -28% | 4 |
| 10 (5) |  | Desperate Measures (1998) | £147,461 | £199,072 | £548,343 | -58% | 2 |
| 11 (6) |  | The Edge (1998) | £134,457 | £174,794 | £484,713 | -57% | 2 |
| 12 (11) |  | Boogie Nights (1998) | £89,991 | £116,988 | £3,553,255 | -39% | 8 |
| 13 (13) |  | Good Burger (1998) | £72,923 | £98,446 | £484,826 | -15% | 4 |
| 14 (14) |  | The Full Monty (1997) | £63,734 | £89,228 | £51,892,519 | -17% | 28 |
| 15 (16) |  | L.A. Confidential (1997) | £41,656 | £54,153 | £7,550,410 | -16% | 19 |