| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (new) |  | Four Christmases (2008) | £2,275,585 | £2,275,585 | £2,275,585 | new | 1 |
| 2 (1) |  | Quantum of Solace (2008) | £1,453,184 | £2,542,795 | £47,662,819 | -50% | 5 |
| 3 (new) |  | Changeling (2008) | £1,225,548 | £1,225,548 | £1,225,548 | new | 1 |
| 4 (2) |  | Body of Lies (2008) | £518,990 | £1,022,172 | £2,014,151 | -48% | 2 |
| 5 (3) |  | My Best Friends Girl (2008) | £326,064 | £703,368 | £1,614,723 | -64% | 2 |
| 6 (4) |  | High School Musical 3: Senior Year (2008) | £280,482 | £372,174 | £22,408,146 | -54% | 6 |
| 7 (new) |  | What Just Happened (2008) | £178,818 | £178,818 | £178,818 | new | 1 |
| 8 (5) |  | Zack and Miri Make a Porno (2008) | £178,256 | £405,781 | £2,162,577 | -60% | 3 |
| 9 (8) |  | Quarantine (2008) | £160,333 | £387,085 | £775,079 | -59% | 2 |
| 10 (6) |  | Max Payne (2008) | £132,888 | £325,569 | £2,268,901 | -69% | 3 |
| 11 (7) |  | Ghost Town (2008) | £131,356 | £246,388 | £6,370,608 | -67% | 6 |
| 12 (10) |  | Dostana (2008) | £95,254 | £160,761 | £842,424 | -47% | 2 |
| 13 (12) |  | Waltz With Bashir (2008) | £92,300 | £175,573 | £288,660 | -18% | 2 |
| 14 (11) |  | Burn After Reading (2008) | £55,112 | £108,953 | £7,595,968 | -52% | 7 |
| 15 (re) |  | The Baader Meinhof Complex (2008) | £30,918 | £30,918 | £307,013 | RE | 2 |