| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (1) |  | Pirates of the Caribbean: The Curse of the Black Pearl (2003) | £1,542,745 | £2,858,111 | £21,459,651 | -24% | 5 |
| 2 (2) |  | American Pie: The Wedding (2003) | £985,850 | £1,933,730 | £14,321,334 | -34% | 4 |
| 3 (3) |  | Jeepers Creepers 2 (2003) | £626,423 | £1,233,089 | £2,302,435 | -41% | 2 |
| 4 (4) |  | Lara Croft: Tomb Raider - The Cradle of Life (2003) | £438,363 | £939,846 | £4,486,336 | -48% | 3 |
| 5 (new) |  | Blackball (2003) | £376,233 | £376,233 | £376,233 | new | 1 |
| 6 (5) |  | Terminator 3: Rise of the Machines (2003) | £308,774 | £610,803 | £18,280,787 | -41% | 6 |
| 7 (6) |  | The Lizzie Mcguire Movie (2003) | £278,501 | £557,687 | £1,056,029 | -44% | 2 |
| 8 (new) | | Camp (2003) | £245,183 | £245,183 | £245,183 | new | 1 |
| 9 (7) |  | Spy Kids 3D: Game Over (2003) | £242,634 | £481,399 | £6,275,554 | -38% | 6 |
| 10 (13) |  | interMission (2003) | £193,090 | £352,343 | £498,563 | 24% | 2 |
| 11 (8) | | Hollywood Homicide (2003) | £173,747 | £397,749 | £750,194 | -51% | 2 |
| 12 (new) | | The Triplets of Belleville (2003) | £169,675 | £169,675 | £169,675 | new | 1 |
| 13 (12) |  | The Man Who Sued God (2003) | £165,679 | £257,538 | £782,369 | 11% | 3 |
| 14 (9) |  | Rugrats Go Wild (2003) | £139,734 | £289,655 | £2,762,620 | -41% | 5 |
| 15 (10) |  | Freddy Vs. Jason (2003) | £117,763 | £244,173 | £2,485,267 | -46% | 4 |