| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (1) |  | Slumdog Millionaire () | £2,806,996 | £4,279,955 | £10,239,371 | 6% | 3 |
| 2 (new) |  | Valkyrie () | £1,854,195 | £1,854,195 | £1,854,195 | new | 1 |
| 3 (4) |  | My Bloody Valentine 3D (2009) | £1,182,514 | £2,009,475 | £3,347,088 | -12% | 2 |
| 4 (2) |  | Seven Pounds () | £1,089,129 | £1,790,489 | £3,356,438 | -30% | 2 |
| 5 (new) |  | Underworld: Rise of the Lycans (2009) | £990,285 | £990,285 | £990,285 | new | 1 |
| 6 (3) |  | Role Models (2009) | £951,449 | £1,542,522 | £6,157,336 | -33% | 3 |
| 7 (5) |  | Bride Wars (2009) | £950,538 | £1,496,512 | £5,351,888 | -28% | 3 |
| 8 (6) |  | Beverly Hills Chihuahua (2008) | £918,808 | £1,083,954 | £2,112,937 | -11% | 2 |
| 9 (new) |  | Frost/Nixon (2008) | £591,411 | £591,411 | £591,411 | new | 1 |
| 10 (10) |  | Madagascar Escape 2 Africa () | £408,315 | £461,616 | £22,323,063 | -23% | 8 |
| 11 (8) |  | The Wrestler (2008) | £374,214 | £789,821 | £1,592,098 | -53% | 2 |
| 12 (new) |  | Milk (2008) | £336,027 | £336,027 | £336,027 | new | 1 |
| 13 (7) |  | Defiance () | £331,680 | £713,034 | £3,309,194 | -59% | 3 |
| 14 (13) |  | Bedtime Stories (2008) | £326,634 | £373,907 | £8,084,449 | -34% | 5 |
| 15 (11) |  | The Reader () | £293,800 | £665,534 | £3,311,282 | -44% | 4 |
| 16 (15) |  | Sex Drive () | £127,933 | £294,554 | £1,400,264 | -61% | 3 |
| 17 (new) |  | Rachel Getting Married () | £84,652 | £84,652 | £84,652 | new | 1 |
| 18 (18) |  | The Tale of Despereaux () | £38,144 | £40,389 | £2,377,360 | -30% | 6 |
| 19 (19) |  | Inkheart (2008) | £23,816 | £27,265 | £3,803,759 | -50% | 7 |
| 20 (26) |  | High School Musical 3: Senior Year () | £12,993 | £22,239 | £26,073,177 | 65% | 14 |
| 21 (20) |  | Quantum of Solace () | £7,569 | £22,688 | £51,042,040 | -75% | 13 |
| 22 (31) |  | Easy Virtue () | £3,269 | £7,621 | £1,353,414 | 73% | 7 |
| 23 (22) | | Clubbed (2009) | £2,488 | £9,663 | £22,346 | -80% | 2 |
| 24 (23) |  | A Bunch of Amateurs (2008) | £1,439 | £16,319 | £298,075 | -80% | 5 |
| 25 (24) |  | City of Ember () | £773 | £1,047 | £1,451,205 | -87% | 14 |
| 26 (27) |  | Hunger () | £660 | £2,656 | £793,064 | -82% | 11 |
| 27 (34) |  | Mamma Mia! () | £601 | £727 | £69,166,814 | 19% | 27 |
| 28 (28) |  | Brideshead Revisited (2008) | £410 | £3,288 | £1,425,495 | -88% | 10 |