| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (1) |  | Letter to Brezhnev (1985) | £195,236 | £273,330 | £576,184 | -36% | 2 |
| 2 (6) |  | Cocoon (1985) | £175,500 | £243,235 | £2,732,927 | 36% | 11 |
| 3 (new) |  | Plenty (1985) | £169,639 | £169,639 | £169,639 | new | 1 |
| 4 (2) |  | My Beautiful Laundrette (1985) | £147,874 | £192,236 | £461,922 | -45% | 2 |
| 5 (3) |  | Prizzis Honor (1985) | £118,768 | £172,214 | £409,749 | -50% | 2 |
| 6 (11) |  | Weird Science (1985) | £99,521 | £138,688 | £493,539 | 71% | 4 |
| 7 (7) | | Cat's Eye (1985) | £93,207 | £129,660 | £486,903 | -15% | 3 |
| 8 (8) |  | St. Elmo's Fire (1985) | £74,843 | £90,070 | £731,525 | -32% | 4 |
| 9 (5) |  | Mad Max Beyond Thunderdome (1985) | £64,191 | £93,077 | £1,288,128 | -50% | 6 |
| 10 (9) |  | The Black Cauldron (1985) | £13,779 | £21,014 | £1,063,214 | -60% | 7 |
| 11 (10) |  | Subway (1985) | £13,575 | £21,381 | £150,341 | -60% | 3 |
| 12 (13) |  | Fletch (1985) | £9,457 | £13,950 | £1,181,759 | -33% | 9 |
| 13 (12) |  | The Bride (1985) | £7,592 | £11,008 | £260,635 | -50% | 5 |
| 14 (15) |  | Pale Rider (1985) | £5,937 | £7,422 | £1,905,913 | -33% | 8 |
| 15 (16) |  | Rambo: First Blood Part II (1985) | £1,972 | £2,662 | £3,511,334 | -38% | 13 |