| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (new) |  | Horton Hears a Who! (2008) | £2,947,089 | £2,947,089 | £2,947,089 | new | 1 |
| 2 (new) |  | The Spiderwick Chronicles (2008) | £2,555,791 | £2,555,791 | £2,555,791 | new | 1 |
| 3 (new) |  | Step Up 2: The Streets (2008) | £2,358,003 | £2,358,003 | £2,358,003 | new | 1 |
| 4 (new) |  | Meet the Spartans (2008) | £1,140,100 | £1,140,100 | £1,140,100 | new | 1 |
| 5 (1) |  | 10,000 BC (2008) | £1,033,501 | £1,853,616 | £3,786,155 | -47% | 2 |
| 6 (2) |  | Vantage Point (2008) | £741,341 | £1,244,298 | £4,261,901 | -21% | 3 |
| 7 (3) |  | The Game Plan (2008) | £562,026 | £953,565 | £2,638,096 | -26% | 3 |
| 8 (4) |  | The Other Boleyn Girl (2008) | £483,465 | £1,194,753 | £3,556,786 | -33% | 3 |
| 9 (new) |  | Race (2008) | £365,781 | £365,781 | £365,781 | new | 1 |
| 10 (new) |  | The Orphanage (2007) | £329,009 | £329,009 | £329,009 | new | 1 |
| 11 (5) |  | The Bank Job (2008) | £279,810 | £574,528 | £3,449,924 | -34% | 4 |
| 12 (7) |  | In Bruges (2008) | £225,201 | £567,123 | £1,418,073 | -19% | 3 |
| 13 (8) |  | The Accidental Husband (2008) | £146,890 | £1,678,311 | £3,751,180 | -39% | 4 |
| 14 (10) |  | There Will Be Blood (2008) | £141,804 | £323,285 | £4,168,311 | -37% | 7 |
| 15 (9) |  | Hannah Montana and Miley Cyrus: Best of Both Worlds Concert (2008) | £113,291 | £202,189 | £443,308 | -53% | 2 |