| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (1) |  | The Dark Knight (2008) | £6,737,306 | £14,183,005 | £25,374,829 | -40% | 2 |
| 2 (2) |  | Mamma Mia! (2008) | £3,167,377 | £7,501,630 | £32,109,923 | 11% | 4 |
| 3 (3) |  | WALL•E (2008) | £2,052,270 | £4,633,501 | £13,562,335 | 0% | 3 |
| 4 (new) |  | The X Files: I Want to Believe (2008) | £887,209 | £887,209 | £887,209 | new | 1 |
| 5 (4) |  | Angus, Thongs and Perfect Snogging (2008) | £716,344 | £1,955,473 | £2,884,719 | -23% | 2 |
| 6 (6) |  | Kung-Fu Panda (2008) | £628,741 | £1,603,969 | £17,061,776 | -4% | 5 |
| 7 (new) |  | Space Chimps (2008) | £563,543 | £563,543 | £563,543 | new | 1 |
| 8 (new) |  | The Love Guru (2008) | £498,829 | £498,829 | £498,829 | new | 1 |
| 9 (5) |  | Hancock (2008) | £457,096 | £1,194,449 | £23,924,069 | -35% | 5 |
| 10 (7) |  | Journey to the Center of the Earth (2008) | £163,018 | £434,253 | £3,094,635 | -17% | 4 |
| 11 (new) |  | Man On Wire (2008) | £98,508 | £98,508 | £98,508 | new | 1 |
| 12 (new) |  | Kuselan (2008) | £97,015 | £97,015 | £97,015 | new | 1 |
| 13 (9) |  | The Chronicles of Narnia: Prince Caspian (2008) | £80,803 | £275,679 | £11,364,434 | -32% | 6 |
| 14 (8) |  | Meet Dave (2008) | £57,320 | £245,353 | £1,497,000 | -52% | 3 |
| 15 (11) |  | Wanted (1997) | £53,695 | £148,627 | £9,586,363 | -49% | 6 |
| 16 (new) |  | Cass (2008) | £44,869 | £44,869 | £44,869 | new | 1 |
| 17 (new) |  | Ugly Aur Pagli (2008) | £17,878 | £17,878 | £17,878 | new | 1 |
| 18 (new) | | El Bano Del Papa (2008) | £10,791 | £10,791 | £10,791 | new | 1 |
| 19 (19) |  | Savage Grace (2007) | £10,676 | £23,984 | £134,343 | -19% | 4 |
| 20 (20) | | Before the Rains (2008) | £9,220 | £9,220 | £18,940 | -5% | 2 |
| 21 (new) |  | Married Life (2007) | £7,790 | £7,790 | £7,790 | new | 1 |
| 22 (re) |  | The Edge of Love (2008) | £7,580 | £7,580 | £1,191,025 | RE | 6 |
| 23 (21) |  | A Complete History of My Sexual Failures (2008) | £2,364 | £5,265 | £72,865 | 16% | 6 |
| 24 (16) |  | Donkey Punch (2008) | £2,344 | £24,190 | £291,373 | -89% | 3 |
| 25 (new) | | Sarah Silverman: Jesus Is Magic (2008) | £1,716 | £1,716 | £1,716 | new | 1 |
| 26 (re) |  | Happy-Go-Lucky (2008) | £1,635 | £1,635 | £1,613,660 | RE | 6 |
| 27 (re) |  | Adulthood (2008) | £1,316 | £1,316 | £3,347,811 | RE | 5 |
| 28 (24) |  | Son of Rambow (2008) | £26 | £-46,037 | £5,515,286 | -67% | 18 |