| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (new) |  | The Recruit (2003) | £979,151 | £979,151 | £979,151 | new | 1 |
| 2 (1) |  | Just Married (2003) | £606,928 | £979,295 | £1,952,764 | -38% | 2 |
| 3 (new) |  | The Core (2003) | £583,238 | £583,238 | £583,238 | new | 1 |
| 4 (2) |  | Maid In Manhattan (2003) | £538,145 | £888,139 | £6,858,221 | -34% | 4 |
| 5 (new) |  | Cradle 2 The Grave (2003) | £374,938 | £374,938 | £374,938 | new | 1 |
| 6 (11) |  | Chicago (2003) | £241,864 | £416,295 | £15,610,613 | 30% | 14 |
| 7 (new) |  | The Rules of Attraction (2003) | £227,531 | £227,531 | £227,531 | new | 1 |
| 8 (4) |  | National Security (2003) | £208,930 | £382,244 | £808,942 | -51% | 2 |
| 9 (6) |  | Evelyn (2003) | £203,630 | £467,640 | £811,910 | -41% | 2 |
| 10 (5) |  | The Ring (2003) | £203,359 | £386,034 | £9,246,275 | -51% | 6 |
| 11 (3) |  | The Life of David Gale (2003) | £190,474 | £446,881 | £1,987,397 | -56% | 3 |
| 12 (9) |  | Treasure Planet (2003) | £130,957 | £145,242 | £6,479,325 | -24% | 7 |
| 13 (re) |  | The Pianist (2003) | £122,782 | £122,782 | £1,808,113 | RE | 4 |
| 14 (12) |  | The Hours (2002) | £112,917 | £276,614 | £4,118,934 | -28% | 7 |
| 15 (8) |  | Confessions of a Dangerous Mind (2003) | £91,719 | £234,051 | £1,038,201 | -63% | 3 |