| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (new) |  | The Day the Earth Stood Still (2008) | £2,752,132 | £2,752,132 | £2,752,132 | new | 1 |
| 2 (1) |  | Madagascar Escape 2 Africa (2008) | £2,477,743 | £3,657,904 | £10,000,901 | -61% | 2 |
| 3 (2) |  | Four Christmases (2008) | £1,130,188 | £1,946,566 | £6,660,435 | -25% | 3 |
| 4 (new) |  | Inkheart (2008) | £700,146 | £700,146 | £700,146 | new | 1 |
| 5 (new) |  | Rab Ne Bana Di Jodi (2008) | £403,842 | £403,842 | £403,842 | new | 1 |
| 6 (3) |  | Transporter 3 (2008) | £400,066 | £871,617 | £1,830,232 | -58% | 2 |
| 7 (4) |  | Changeling (2008) | £385,417 | £856,566 | £3,521,471 | -47% | 3 |
| 8 (5) |  | Quantum of Solace (2008) | £328,067 | £647,440 | £49,602,557 | -54% | 7 |
| 9 (6) |  | Body of Lies (2008) | £90,420 | £201,807 | £2,756,567 | -65% | 4 |
| 10 (7) |  | Lakeview Terrace (2008) | £74,899 | £203,806 | £428,299 | -67% | 2 |
| 11 (9) |  | High School Musical 3: Senior Year (2008) | £48,714 | £69,582 | £22,639,210 | -56% | 8 |
| 12 (new) |  | Dean Spanley (2008) | £42,898 | £42,898 | £42,898 | new | 1 |
| 13 (10) |  | The Children (2008) | £32,443 | £101,054 | £199,259 | -67% | 2 |
| 14 (8) |  | My Best Friends Girl (2008) | £31,263 | £85,194 | £2,017,697 | -75% | 4 |
| 15 (14) |  | Waltz With Bashir (2008) | £30,515 | £65,506 | £471,596 | -39% | 4 |
| 16 (new) |  | A.R.O.G. (2008) | £19,602 | £19,602 | £19,602 | new | 1 |
| 17 (19) |  | Mamma Mia! (2008) | £17,723 | £330,252 | £69,066,035 | 44% | 23 |
| 18 (new) |  | Lemon Tree (2008) | £13,844 | £13,844 | £13,844 | new | 1 |
| 19 (23) |  | The Dark Knight (2008) | £6,901 | £7,640 | £48,683,687 | 51% | 21 |
| 20 (18) | | Summer (2008) | £6,266 | £14,839 | £28,110 | -53% | 2 |
| 21 (21) |  | The Boy In the Striped Pajamas (2008) | £4,901 | £21,109 | £4,491,435 | -18% | 14 |
| 22 (17) |  | Hunger (2008) | £3,279 | £14,096 | £768,114 | -77% | 7 |
| 23 (new) | | The Man From London (2007) | £2,871 | £2,871 | £2,871 | new | 1 |
| 24 (25) |  | The Duchess (2008) | £2,822 | £5,405 | £7,071,955 | 18% | 15 |
| 25 (new) |  | Trade (2007) | £1,060 | £1,060 | £1,060 | new | 1 |
| 26 (26) |  | Of Time and the City (2008) | £1,048 | £3,511 | £228,290 | -40% | 7 |
| 27 (30) | | Flawless (2008) | £471 | £760 | £27,437 | -15% | 3 |
| 28 (28) |  | City of Ember (2008) | £417 | £1,027 | £1,414,865 | -52% | 10 |
| 29 (new) | | Love and Honour (2008) | £358 | £358 | £358 | new | 1 |