| Title | Weekend | Week | Total | % Change | Total Weeks | ||
| 1 (new) | ![]() | Jaws () | £1,077,183 | £1,077,183 | £1,077,183 | new | 1 |
| 2 (2) | ![]() | Dog Day Afternoon () | £500,126 | £725,183 | £825,435 | 80% | 2 |
| 3 (1) | ![]() | The Man Who Would Be King (1975) | £228,426 | £296,954 | £668,020 | -38% | 2 |
| 4 (3) | ![]() | Once Is Not Enough (1975) | £39,471 | £51,312 | £496,537 | -33% | 4 |
| 5 (4) | ![]() | Shampoo () | £400 | £560 | £1,498,309 | -20% | 16 |