| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (new) |  | A Christmas Carol (2009) | £1,917,539 | £1,917,539 | £1,917,539 | new | 1 |
| 2 (1) |  | This Is It (2009) | £1,355,855 | £3,237,125 | £8,114,380 | -72% | 2 |
| 3 (2) |  | Up (2009) | £1,293,662 | £2,247,622 | £31,403,801 | -62% | 5 |
| 4 (new) |  | The Men Who Stare At Goats (2009) | £1,211,791 | £1,211,791 | £1,211,791 | new | 1 |
| 5 (new) |  | The Fourth Kind (2009) | £851,476 | £851,476 | £851,476 | new | 1 |
| 6 (3) |  | Fantastic Mr. Fox (2009) | £784,233 | £1,242,490 | £6,831,974 | -49% | 3 |
| 7 (new) |  | Jennifers Body (2009) | £736,535 | £736,535 | £736,535 | new | 1 |
| 8 (4) |  | Saw VI (2009) | £345,570 | £907,046 | £4,684,976 | -63% | 3 |
| 9 (8) |  | An Education (2009) | £283,080 | £561,753 | £960,875 | -29% | 2 |
| 10 (6) |  | Couples Retreat (2009) | £213,883 | £541,813 | £5,418,638 | -57% | 4 |
| 11 (new) | | Bright Star (2009) | £207,881 | £207,881 | £207,881 | new | 1 |
| 12 (5) |  | Cirque Du Freak: The Vampires Assistant (2009) | £188,679 | £364,045 | £2,668,783 | -65% | 3 |
| 13 (new) | | Ajab Prem Ki Ghazab Kahani (2009) | £177,886 | £177,886 | £177,886 | new | 1 |
| 14 (9) |  | The Imaginarium of Doctor Parnassus (2009) | £107,866 | £321,179 | £3,212,849 | -67% | 4 |
| 15 (10) |  | Dead Man Running (2009) | £89,291 | £211,808 | £410,250 | -55% | 2 |
| 16 (new) | | 1 Day (2009) | £43,638 | £43,638 | £43,638 | new | 1 |
| 17 (11) | | London Dreams (2009) | £27,835 | £91,579 | £234,301 | -80% | 2 |
| 18 (new) | | Jail (2009) | £7,039 | £7,039 | £7,039 | new | 1 |
| 19 (21) |  | Dorian Gray (2009) | £5,836 | £12,254 | £2,925,585 | 8% | 9 |
| 20 (20) | | Fish Tank (2009) | £4,097 | £10,506 | £570,708 | -39% | 8 |
| 21 (19) | | Creation (2009) | £3,793 | £14,194 | £793,750 | -46% | 7 |
| 22 (22) | | Morris: A Life With Bells On (2009) | £1,768 | £6,125 | £63,284 | -47% | 6 |
| 23 (17) |  | Triangle (2009) | £1,578 | £11,992 | £649,119 | -93% | 4 |
| 24 (new) | | Paper Heart (2009) | £1,283 | £1,283 | £1,283 | new | 1 |
| 25 (23) |  | Harry Potter and the Half Blood Prince (2009) | £839 | £2,244 | £50,713,061 | -72% | 16 |
| 26 (26) | | Colin (2009) | £224 | £659 | £1,920 | -70% | 2 |
| 27 (new) | | Harishchandrachi Factory (2009) | £138 | £138 | £138 | new | 1 |