| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (new) |  | 21 (2008) | £1,649,855 | £1,649,855 | £1,649,855 | new | 1 |
| 2 (2) |  | Son of Rambow (2008) | £749,759 | £1,444,998 | £2,342,087 | -16% | 2 |
| 3 (1) |  | 27 Dresses (2008) | £688,659 | £1,464,217 | £5,435,975 | -33% | 3 |
| 4 (5) |  | The Spiderwick Chronicles (2008) | £676,798 | £1,406,912 | £8,857,804 | -18% | 4 |
| 5 (3) |  | Step Up 2: The Streets (2008) | £662,180 | £1,296,224 | £8,819,052 | -25% | 4 |
| 6 (new) |  | Leatherheads (2008) | £474,780 | £474,780 | £474,780 | new | 1 |
| 7 (6) |  | Horton Hears a Who! (2008) | £431,715 | £959,308 | £7,507,827 | -23% | 4 |
| 8 (4) |  | Never Back Down (2008) | £417,925 | £837,931 | £1,683,461 | -51% | 2 |
| 9 (new) | | Shine a Light (2008) | £338,061 | £338,061 | £338,061 | new | 1 |
| 10 (new) | | Pathology (2008) | £313,886 | £313,886 | £313,886 | new | 1 |
| 11 (7) |  | Awake (2007) | £296,298 | £634,842 | £1,181,404 | -46% | 2 |
| 12 (8) |  | One Missed Call (2008) | £226,282 | £492,348 | £924,675 | -48% | 2 |
| 13 (9) |  | Drillbit Taylor (2008) | £174,725 | £401,043 | £2,025,735 | -57% | 3 |
| 14 (new) |  | U Me Aur Hum (2008) | £171,847 | £171,847 | £171,847 | new | 1 |
| 15 (11) |  | The Orphanage (2007) | £107,680 | £222,391 | £1,480,257 | -40% | 4 |