| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (1) |  | Titanic (1997) | £2,223,046 | £2,889,960 | £48,502,338 | 12% | 10 |
| 2 (3) |  | As Good As It Gets (1997) | £1,002,494 | £1,303,242 | £3,219,574 | 26% | 3 |
| 3 (2) |  | The Man In the Iron Mask (1998) | £886,919 | £1,241,687 | £2,391,396 | -23% | 2 |
| 4 (new) |  | Sphere (1998) | £686,484 | £686,484 | £686,484 | new | 1 |
| 5 (4) |  | Good Will Hunting (1998) | £684,850 | £993,033 | £4,557,809 | 1% | 4 |
| 6 (9) |  | Jackie Brown (1998) | £236,740 | £343,273 | £428,517 | 64% | 2 |
| 7 (5) |  | Kiss the Girls (1998) | £212,489 | £308,109 | £2,204,571 | -25% | 4 |
| 8 (6) |  | Gattaca (1998) | £191,332 | £267,865 | £506,530 | -20% | 2 |
| 9 (8) |  | Flubber (1998) | £166,989 | £217,086 | £7,458,551 | -4% | 8 |
| 10 (7) |  | Fallen (1998) | £115,771 | £162,079 | £828,941 | -41% | 3 |
| 11 (10) |  | Paws (1997) | £95,319 | £123,915 | £1,358,047 | 14% | 7 |
| 12 (15) |  | L.A. Confidential (1997) | £76,505 | £305,931 | £7,961,387 | 47% | 22 |
| 13 (14) |  | Fairytale: A True Story (1997) | £62,896 | £81,765 | £1,678,857 | 7% | 7 |
| 14 (11) |  | The Butcher Boy (1998) | £51,517 | £69,548 | £1,290,783 | -25% | 6 |
| 15 (12) |  | Wag the Dog (1997) | £47,104 | £65,946 | £261,997 | -30% | 3 |