| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (2) |  | Paranormal Activity (2009) | £1,839,273 | £3,516,014 | £7,109,776 | -49% | 2 |
| 2 (3) |  | A Christmas Carol (2009) | £1,667,991 | £2,439,915 | £13,773,893 | -14% | 5 |
| 3 (1) |  | The Twilight Saga: New Moon (2009) | £1,624,548 | £3,196,577 | £23,517,263 | -62% | 3 |
| 4 (new) |  | Planet 51 (2009) | £1,513,003 | £1,513,003 | £1,513,003 | new | 1 |
| 5 (5) |  | Law Abiding Citizen (2009) | £998,146 | £1,991,103 | £3,479,246 | -33% | 2 |
| 6 (4) |  | 2012 (2009) | £878,298 | £1,598,797 | £17,816,176 | -52% | 4 |
| 7 (6) |  | Nativity! (2009) | £687,347 | £973,746 | £1,768,060 | -13% | 2 |
| 8 (new) |  | The Box (2009) | £474,938 | £474,938 | £474,938 | new | 1 |
| 9 (new) |  | The Descent Part 2 (2009) | £313,739 | £313,739 | £313,739 | new | 1 |
| 10 (10) |  | A Serious Man (2009) | £198,624 | £340,210 | £1,084,449 | -19% | 3 |
| 11 (new) | | Me and Orson Welles (2008) | £166,389 | £166,389 | £166,389 | new | 1 |
| 12 (8) |  | Up (2009) | £136,872 | £179,051 | £34,142,637 | -58% | 9 |
| 13 (7) |  | Harry Brown (2009) | £128,924 | £361,285 | £3,880,560 | -61% | 4 |
| 14 (11) |  | Fantastic Mr. Fox (2009) | £91,200 | £124,518 | £8,707,283 | -59% | 7 |
| 15 (9) |  | De Dana Dan (2009) | £73,926 | £168,674 | £476,703 | -76% | 2 |