| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (new) |  | The Curious Case of Benjamin Button (2009) | £2,213,495 | £2,213,495 | £2,213,495 | new | 1 |
| 2 (new) |  | He's Just Not That Into You (2009) | £1,913,542 | £1,913,542 | £1,913,542 | new | 1 |
| 3 (1) |  | Slumdog Millionaire (2008) | £1,587,819 | £2,681,509 | £16,897,975 | -33% | 5 |
| 4 (2) |  | Valkyrie (2009) | £632,463 | £1,169,563 | £5,309,714 | -51% | 3 |
| 5 (3) |  | Revolutionary Road (2008) | £508,956 | £1,075,951 | £2,089,499 | -50% | 2 |
| 6 (4) |  | My Bloody Valentine 3D (2009) | £339,447 | £773,734 | £5,719,269 | -63% | 4 |
| 7 (new) |  | The Secret of Moonacre (2009) | £308,099 | £308,099 | £308,099 | new | 1 |
| 8 (8) |  | Role Models (2009) | £295,946 | £583,681 | £7,837,651 | -55% | 5 |
| 9 (6) |  | Seven Pounds (2008) | £282,283 | £603,651 | £5,200,225 | -61% | 4 |
| 10 (new) |  | Doubt (2009) | £253,097 | £253,097 | £253,097 | new | 1 |
| 11 (new) |  | Vicky Cristina Barcelona (2008) | £243,684 | £243,684 | £243,684 | new | 1 |
| 12 (5) |  | Beverly Hills Chihuahua (2008) | £240,099 | £324,804 | £3,291,523 | -68% | 4 |
| 13 (7) |  | Bride Wars (2009) | £229,758 | £467,723 | £6,878,570 | -67% | 5 |
| 14 (9) |  | Underworld: Rise of the Lycans (2009) | £150,481 | £409,666 | £2,396,893 | -71% | 3 |
| 15 (14) |  | The Reader (2009) | £127,933 | £315,609 | £4,181,897 | -55% | 6 |
| 16 (new) | | Punisher War Zone (2009) | £94,365 | £94,365 | £94,365 | new | 1 |
| 17 (17) |  | Sex Drive (2009) | £24,250 | £84,457 | £1,691,051 | -66% | 5 |
| 18 (re) |  | The Dark Knight (2008) | £21,244 | £21,244 | £48,750,257 | re | 23 |
| 19 (new) | | The Good the Bad the Weird (2009) | £17,962 | £17,962 | £17,962 | new | 1 |
| 20 (new) |  | Naan Kadavul (2009) | £11,234 | £11,234 | £11,234 | new | 1 |
| 21 (18) |  | The Tale of Despereaux (2008) | £5,730 | £6,831 | £2,415,629 | -83% | 8 |
| 22 (22) |  | City of Ember (2008) | £4,683 | £4,788 | £1,462,300 | -26% | 16 |
| 23 (25) |  | A Bunch of Amateurs (2008) | £2,530 | £7,787 | £311,961 | -36% | 7 |
| 24 (26) |  | Quantum of Solace (2008) | £2,398 | £6,453 | £51,057,917 | -35% | 15 |
| 25 (27) |  | High School Musical 3: Senior Year (2008) | £1,352 | £2,405 | £26,081,743 | -44% | 16 |
| 26 (20) |  | The Broken (2008) | £1,174 | £7,697 | £19,062 | -90% | 2 |
| 27 (re) |  | Of Time and the City (2008) | £677 | £677 | £242,306 | re | 11 |
| 28 (29) |  | Hunger (2008) | £387 | £4,248 | £799,885 | -49% | 13 |
| 29 (re) |  | Dean Spanley (2008) | £298 | £298 | £192,086 | re | 5 |