UK Box Office 25th April, 1975
| Title | Weekend | Week | Total | % Change | Total Weeks | ||
| 1 (1) |  | The Towering Inferno (1974) | £163,949 | £221,331 | £5,798,191 | 27% | 13 |
| 2 (2) |  | Funny Lady (1975) | £52,714 | £68,528 | £2,280,715 | -50% | 6 |
| 3 (3) |  | Escape to Witch Mountain (1975) | £32,439 | £45,415 | £1,409,851 | -60% | 6 |
| 4 (4) |  | Tommy (1975) | £29,424 | £41,194 | £953,614 | -50% | 5 |