| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (new) |  | How to Lose Friends and Alienate People (2008) | £1,154,607 | £1,154,607 | £1,154,607 | new | 1 |
| 2 (2) |  | Taken (2008) | £1,096,324 | £1,938,056 | £3,104,042 | -6% | 2 |
| 3 (1) |  | Tropic Thunder (2008) | £987,191 | £1,726,628 | £6,765,139 | -27% | 3 |
| 4 (5) |  | Mamma Mia! (2008) | £771,647 | £1,416,668 | £64,147,403 | 21% | 13 |
| 5 (4) |  | Death Race (2008) | £448,059 | £859,346 | £1,542,384 | -34% | 2 |
| 6 (7) |  | The Boy In the Striped Pajamas (2008) | £436,194 | £735,086 | £2,791,967 | 7% | 4 |
| 7 (3) |  | Righteous Kill (2008) | £422,654 | £811,691 | £1,580,494 | -45% | 2 |
| 8 (new) |  | Brideshead Revisited (2008) | £375,270 | £375,270 | £375,270 | new | 1 |
| 9 (new) |  | Fly Me to the Moon 3D (2008) | £311,791 | £311,791 | £311,791 | new | 1 |
| 10 (6) |  | The Women (2008) | £265,859 | £616,127 | £3,704,806 | -34% | 4 |
| 11 (10) |  | Disaster Movie (2008) | £247,563 | £327,548 | £2,952,798 | -8% | 5 |
| 12 (new) | | Kidnap (2008) | £243,309 | £243,309 | £243,309 | new | 1 |
| 13 (8) |  | The Duchess (2008) | £234,391 | £666,980 | £6,360,913 | -33% | 5 |
| 14 (9) |  | Pineapple Express (2008) | £183,282 | £390,840 | £3,611,471 | -39% | 4 |
| 15 (13) |  | Il Y a Longtemps Que Je Taime (2008) | £149,037 | £255,694 | £372,684 | 22% | 2 |
| 16 (new) |  | Drona (2008) | £117,837 | £117,837 | £117,837 | new | 1 |
| 17 (11) |  | Rocknrolla (2008) | £104,880 | £236,400 | £5,001,005 | -48% | 5 |
| 18 (new) |  | 88 Minutes (2008) | £92,761 | £92,761 | £92,761 | new | 1 |
| 19 (15) |  | The Dark Knight (2008) | £62,688 | £96,229 | £48,342,887 | -29% | 11 |
| 20 (16) |  | Wild Child (2008) | £50,373 | £54,441 | £5,085,288 | -2% | 8 |
| 21 (new) | | The Fall (2006) | £22,849 | £22,849 | £22,849 | new | 1 |
| 22 (17) |  | Hellboy II: The Golden Army (2008) | £14,648 | £22,828 | £7,470,184 | -47% | 7 |
| 23 (21) | | Unrelated (2008) | £10,624 | £21,309 | £57,885 | -8% | 3 |
| 24 (new) | | Import/Export (2008) | £7,904 | £7,904 | £7,904 | new | 1 |
| 25 (24) |  | Somers Town (2008) | £5,343 | £8,899 | £542,955 | -11% | 7 |
| 26 (25) |  | Angus, Thongs and Perfect Snogging (2008) | £4,724 | £6,826 | £5,437,688 | 13% | 11 |
| 27 (23) |  | Man On Wire (2008) | £4,283 | £13,967 | £834,800 | -36% | 10 |
| 28 (new) | | Durai (2008) | £4,214 | £4,214 | £4,214 | new | 1 |
| 29 (20) |  | Eden Lake (2008) | £3,650 | £12,171 | £481,710 | -73% | 4 |
| 30 (new) | | Good Dick (2008) | £3,176 | £3,176 | £3,176 | new | 1 |
| 31 (28) |  | Miss Pettigrew Lives For a Day (2008) | £1,486 | £10,418 | £423,989 | -51% | 8 |
| 32 (30) |  | Savage Grace (2007) | £513 | £1,557 | £177,971 | -58% | 13 |