| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (new) |  | The Bank Job (2008) | £951,013 | £951,013 | £951,013 | new | 1 |
| 2 (new) |  | Semi-Pro (2008) | £774,698 | £774,698 | £774,698 | new | 1 |
| 3 (1) |  | Jumper (2008) | £758,003 | £1,347,536 | £7,242,261 | -50% | 3 |
| 4 (new) |  | The Accidental Husband (2008) | £703,631 | £703,631 | £703,631 | new | 1 |
| 5 (4) |  | Juno (2007) | £690,686 | £1,220,929 | £8,046,750 | -36% | 4 |
| 6 (2) |  | Be Kind Rewind (2008) | £682,860 | £1,114,288 | £2,502,434 | -51% | 2 |
| 7 (7) |  | There Will Be Blood (2008) | £604,886 | £928,738 | £2,658,713 | 16% | 4 |
| 8 (new) |  | Untraceable (2008) | £549,524 | £549,524 | £549,524 | new | 1 |
| 9 (3) |  | Rambo (2008) | £506,321 | £1,173,613 | £2,420,808 | -59% | 2 |
| 10 (5) |  | National Treasure: Book of Secrets (2008) | £455,055 | £716,015 | £8,231,092 | -51% | 4 |
| 11 (6) |  | The Water Horse: Legend of the Deep (2008) | £315,677 | £397,996 | £4,124,793 | -51% | 4 |
| 12 (13) |  | No Country For Old Men (2008) | £294,022 | £554,082 | £6,316,478 | 18% | 7 |
| 13 (10) |  | Alvin and the Chipmunks (2007) | £199,761 | £225,003 | £11,080,538 | -44% | 11 |
| 14 (8) |  | The Bucket List (2008) | £151,241 | £380,776 | £1,778,129 | -62% | 3 |
| 15 (11) |  | Penelope (2008) | £123,359 | £153,418 | £3,049,482 | -59% | 5 |