| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (2) |  | A Christmas Carol (2009) | £1,544,226 | £2,256,190 | £16,030,083 | -7% | 6 |
| 2 (new) |  | Where the Wild Things Are (2009) | £883,990 | £883,990 | £883,990 | new | 1 |
| 3 (4) |  | Planet 51 (2009) | £764,742 | £1,024,715 | £2,537,718 | -49% | 2 |
| 4 (1) |  | Paranormal Activity (2009) | £758,704 | £1,593,620 | £8,703,396 | -59% | 3 |
| 5 (3) |  | The Twilight Saga: New Moon (2009) | £750,227 | £1,487,417 | £25,004,680 | -54% | 4 |
| 6 (7) |  | Nativity! (2009) | £667,663 | £908,554 | £2,676,614 | -3% | 3 |
| 7 (5) |  | Law Abiding Citizen (2009) | £604,873 | £1,251,929 | £4,731,175 | -39% | 3 |
| 8 (6) |  | 2012 (2009) | £471,856 | £858,688 | £18,674,864 | -46% | 5 |
| 9 (8) |  | The Box (2009) | £249,707 | £536,797 | £1,011,735 | -47% | 2 |
| 10 (10) |  | A Serious Man (2009) | £130,778 | £251,550 | £1,335,999 | -34% | 4 |
| 11 (9) |  | The Descent Part 2 (2009) | £93,839 | £273,348 | £587,087 | -70% | 2 |
| 12 (13) |  | Harry Brown (2009) | £74,694 | £164,719 | £4,045,279 | -42% | 5 |
| 13 (12) |  | Up (2009) | £73,496 | £93,743 | £34,236,380 | -46% | 10 |
| 14 (new) |  | Carriers (2009) | £69,224 | £69,224 | £69,224 | new | 1 |
| 15 (new) | | Rocket Singh: Salesman of the Year (2009) | £67,389 | £67,389 | £67,389 | new | 1 |