UK Box Office 31st July, 1998
| Title | Weekend | Week | Total | % Change | Total Weeks | ||
| 1 (new) |  | Lost In Space (1998) | £3,127,079 | £3,127,079 | £3,127,079 | new | 1 |
| 2 (new) |  | Doctor Dolittle (1998) | £3,047,574 | £3,047,574 | £3,047,574 | new | 1 |
| 3 (1) |  | Godzilla (1998) | £1,096,390 | £1,480,127 | £8,552,956 | -49% | 3 |
| 4 (2) |  | The Wedding Singer (1998) | £239,814 | £323,749 | £6,587,966 | -32% | 9 |
| 5 (3) |  | Six Days Seven Nights (1998) | £184,683 | £258,556 | £3,128,244 | -44% | 5 |
| 6 (4) |  | Grease (1978) 20th anniversary | £150,110 | £217,660 | £1,728,996 | -47% | 20 |
| 7 (5) |  | Barneys Great Adventure (1998) | £139,919 | £188,891 | £1,063,597 | -22% | 6 |
| 8 (re) |  | The Castle (1998) | £116,374 | £116,374 | £156,556 | RE | 1 |
| 9 (7) |  | The Little Mermaid (1989) Rerelease | £115,869 | £150,630 | £636,091 | -31% | 11 |
| 10 (9) |  | The Magic Sword: Quest For Camelot (1998) | £87,844 | £114,197 | £240,357 | -30% | 2 |
| 11 (6) |  | The Gingerbread Man (1998) | £75,240 | £97,812 | £268,932 | -56% | 2 |
| 12 (11) |  | Sliding Doors (1998) | £59,880 | £80,838 | £9,093,048 | -48% | 14 |
| 13 (10) |  | The Object of My Affection (1998) | £55,316 | £74,677 | £1,196,662 | -53% | 6 |
| 14 (8) |  | City of Angels (1998) | £54,131 | £78,490 | £3,682,880 | -65% | 7 |
| 15 (14) |  | The Daytrippers (1997) | £43,958 | £59,343 | £98,229 | 12% | 2 |