| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (1) |  | The Wedding Singer (1998) | £974,719 | £1,267,135 | £2,298,795 | -6% | 2 |
| 2 (3) |  | Sliding Doors (1998) | £592,992 | £830,189 | £7,093,544 | -13% | 7 |
| 3 (2) |  | Deep Impact (1998) | £472,113 | £637,353 | £7,025,474 | -36% | 5 |
| 4 (new) |  | The Apostle (1998) | £335,278 | £335,278 | £335,278 | new | 1 |
| 5 (6) |  | The General (1998) | £141,712 | £198,397 | £765,846 | -27% | 3 |
| 6 (10) |  | Titanic (1997) | £140,108 | £582,140 | £63,984,568 | 4% | 21 |
| 7 (5) |  | Wishmaster (1997) | £125,495 | £163,144 | £785,841 | -36% | 3 |
| 8 (7) |  | Scream 2 (1998) | £107,275 | £155,549 | £6,359,479 | -35% | 7 |
| 9 (11) |  | Mousehunt (1998) | £99,958 | £129,945 | £5,282,557 | 3% | 11 |
| 10 (4) |  | Red Corner (1997) | £98,306 | £142,544 | £342,894 | -51% | 2 |
| 11 (new) |  | Stiff Upper Lips (1998) | £78,162 | £78,162 | £78,162 | new | 1 |
| 12 (9) |  | Dark City (1998) | £73,487 | £95,533 | £589,564 | -48% | 3 |
| 13 (13) |  | Star Kid (1998) | £61,954 | £80,540 | £427,719 | -10% | 4 |
| 14 (8) |  | The Replacement Killers (1998) | £61,088 | £85,523 | £236,987 | -60% | 2 |
| 15 (new) |  | Soul Food (1998) | £56,833 | £56,833 | £56,833 | new | 1 |