| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (new) |  | Deep Impact (1998) | £1,763,805 | £1,763,805 | £1,763,805 | new | 1 |
| 2 (2) |  | Sliding Doors (1998) | £660,705 | £891,952 | £3,335,174 | -29% | 3 |
| 3 (1) |  | Scream 2 (1998) | £523,390 | £706,577 | £4,959,644 | -57% | 3 |
| 4 (new) |  | Wild Things (1998) | £180,707 | £180,707 | £180,707 | new | 1 |
| 5 (4) |  | Martha Meet Frank Daniel and Laurence (1998) | £162,518 | £227,525 | £562,988 | -52% | 2 |
| 6 (5) |  | Titanic (1997) | £157,678 | £1,220,749 | £60,326,977 | -46% | 17 |
| 7 (3) |  | Breakdown (1998) | £136,581 | £191,213 | £1,302,866 | -62% | 3 |
| 8 (11) |  | Anastasia (1997) | £79,756 | £115,646 | £3,323,368 | 1% | 7 |
| 9 (7) |  | The Big Lebowski (1998) | £75,914 | £98,688 | £667,580 | -50% | 4 |
| 10 (new) |  | The Man Who Knew Too Little (1998) | £66,086 | £66,086 | £66,086 | new | 1 |
| 11 (10) |  | Mousehunt (1998) | £61,539 | £86,155 | £4,668,500 | -52% | 7 |
| 12 (new) |  | Live Flesh (1998) | £56,060 | £56,060 | £56,060 | new | 1 |
| 13 (6) |  | U.S. Marshals (1998) | £54,703 | £79,319 | £1,710,578 | -76% | 4 |
| 14 (9) |  | As Good As It Gets (1997) | £40,472 | £52,614 | £7,260,226 | -70% | 10 |
| 15 (8) |  | Jackie Brown (1998) | £38,312 | £49,806 | £5,345,965 | -74% | 9 |