UK Weekend Box Office
UK Box Office 10th July, 1998
| Title | Weekend | Week | Total | % Change | Total Weeks | ||
| 1 (1) |  | Six Days Seven Nights (1998) | £706,928 | £919,006 | £1,827,719 | -22% | 2 |
| 2 (new) |  | Grease (1978) 20th anniversary | £598,631 | £598,631 | £598,631 | re | 17 |
| 3 (3) |  | The Wedding Singer (1998) | £503,759 | £730,451 | £5,172,910 | 16% | 6 |
| 4 (2) |  | City of Angels (1998) | £340,119 | £442,155 | £3,068,667 | -23% | 4 |
| 5 (5) |  | Sliding Doors (1998) | £216,812 | £303,537 | £8,615,091 | -14% | 11 |
| 6 (new) |  | Mad City (1998) | £209,272 | £209,272 | £209,272 | new | 1 |
| 7 (4) |  | Mimic (1998) | £161,377 | £209,790 | £1,072,041 | -44% | 3 |
| 8 (6) |  | The Object of My Affection (1998) | £161,364 | £225,910 | £872,720 | -32% | 3 |
| 9 (8) |  | Titanic (1997) | £129,632 | £487,966 | £65,901,380 | 21% | 25 |
| 10 (7) |  | Deep Impact (1998) | £121,766 | £170,472 | £8,077,439 | -20% | 9 |
| 11 (13) |  | Mousehunt (1998) | £86,486 | £112,432 | £5,641,880 | 37% | 15 |
| 12 (14) |  | Girls Night (1998) | £66,271 | £86,152 | £212,085 | 22% | 3 |
| 13 (10) |  | Star Kid (1998) | £61,326 | £82,790 | £715,403 | -4% | 8 |
| 14 (9) |  | Barneys Great Adventure (1998) | £56,636 | £79,290 | £338,289 | -24% | 3 |
| 15 (11) |  | Love and Death On Long Island (1998) | £56,551 | £76,344 | £138,535 | -9% | 2 |