UK Box Office 7th August, 1998
| Title | Weekend | Week | Total | % Change | Total Weeks | ||
| 1 (new) |  | Armageddon (1998) | £2,732,785 | £2,732,785 | £2,732,785 | new | 1 |
| 2 (2) |  | Doctor Dolittle (1998) | £1,511,007 | £4,161,566 | £7,209,140 | -50% | 2 |
| 3 (1) |  | Lost In Space (1998) | £1,028,940 | £2,840,319 | £5,967,398 | -67% | 2 |
| 4 (3) |  | Godzilla (1998) | £419,138 | £4,863,988 | £13,416,944 | -62% | 4 |
| 5 (4) |  | The Wedding Singer (1998) | £120,873 | £1,853,011 | £8,440,977 | -50% | 10 |
| 6 (7) |  | Barneys Great Adventure (1998) | £61,922 | £575,375 | £1,638,972 | -56% | 7 |
| 7 (5) |  | Six Days Seven Nights (1998) | £59,084 | £1,308,529 | £4,436,773 | -68% | 6 |
| 8 (6) |  | Grease (1978) 20th anniversary | £56,034 | £459,583 | £2,188,579 | -63% | 21 |
| 9 (9) |  | The Little Mermaid (1989) Rerelease | £49,537 | £660,332 | £1,296,423 | -57% | 12 |
| 10 (10) |  | The Magic Sword: Quest For Camelot (1998) | £41,285 | £342,186 | £582,543 | -53% | 3 |
| 11 (8) |  | The Castle (1998) | £38,808 | £128,689 | £285,245 | -67% | 2 |
| 12 (11) |  | The Gingerbread Man (1998) | £33,027 | £180,620 | £449,552 | -56% | 3 |
| 13 (13) |  | The Object of My Affection (1998) | £32,023 | £544,205 | £1,740,867 | -42% | 7 |
| 14 (16) |  | Titanic (1997) | £25,752 | £733,478 | £67,928,598 | 24% | 29 |
| 15 (12) |  | Sliding Doors (1998) | £25,074 | £3,341,667 | £12,434,715 | -58% | 15 |