UK Box Office 2nd May, 1975
| Title | Weekend | Week | Total | % Change | Total Weeks | ||
| 1 (1) |  | The Towering Inferno (1974) | £153,291 | £206,943 | £6,005,134 | -7% | 14 |
| 2 (2) |  | Funny Lady (1975) | £40,549 | £52,714 | £2,333,429 | -23% | 7 |
| 3 (4) |  | Tommy (1975) | £22,634 | £31,688 | £985,302 | -23% | 6 |
| 4 (3) |  | Escape to Witch Mountain (1975) | £16,220 | £21,086 | £1,430,937 | -50% | 7 |