| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (new) |  | Up (2009) | £6,411,836 | £6,411,836 | £6,411,836 | new | 1 |
| 2 (new) |  | Zombieland (2009) | £1,240,984 | £1,240,984 | £1,240,984 | new | 1 |
| 3 (2) |  | The Invention of Lying (2009) | £1,083,752 | £2,048,456 | £3,783,782 | -38% | 2 |
| 4 (1) |  | Fame (2009) | £906,877 | £1,605,126 | £7,053,982 | -49% | 3 |
| 5 (new) |  | Love Happens (2009) | £559,724 | £559,724 | £559,724 | new | 1 |
| 6 (new) |  | Halloween II (2009) | £522,661 | £522,661 | £522,661 | new | 1 |
| 7 (4) |  | Cloudy With a Chance of Meatballs (2009) | £359,666 | £532,372 | £5,410,423 | -68% | 4 |
| 8 (5) |  | Surrogates (2009) | £324,779 | £649,764 | £2,763,606 | -45% | 3 |
| 9 (6) |  | District 9 (2009) | £214,396 | £445,545 | £8,695,787 | -47% | 6 |
| 10 (8) |  | (500) Days of Summer (2009) | £125,762 | £274,823 | £4,795,820 | -49% | 6 |
| 11 (7) |  | Pandorum (2009) | £102,801 | £305,705 | £651,802 | -70% | 2 |
| 12 (12) |  | Julie & Julia (2009) | £67,669 | £183,929 | £2,522,819 | -48% | 5 |
| 13 (9) |  | The Soloist (2009) | £64,765 | £202,891 | £1,060,061 | -69% | 3 |
| 14 (15) | | Wake Up Sid (2009) | £64,295 | £111,064 | £212,922 | -37% | 2 |
| 15 (11) |  | Dorian Gray (2009) | £61,331 | £155,122 | £2,819,663 | -56% | 5 |