| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (new) |  | Johnny English (2003) | £3,435,342 | £3,435,342 | £3,435,342 | new | 1 |
| 2 (new) |  | The Jungle Book 2 (2003) | £1,436,730 | £1,436,730 | £1,436,730 | new | 1 |
| 3 (1) |  | The Recruit (2003) | £533,918 | £953,323 | £3,283,874 | -31% | 3 |
| 4 (2) |  | Shanghai Knights (2003) | £380,419 | £722,812 | £1,472,467 | -49% | 2 |
| 5 (new) |  | S Club Seeing Double (2003) | £338,383 | £338,383 | £338,383 | new | 1 |
| 6 (4) |  | Blue Crush (2003) | £257,707 | £491,680 | £983,099 | -48% | 2 |
| 7 (5) |  | Just Married (2003) | £252,609 | £473,456 | £3,192,730 | -48% | 4 |
| 8 (3) |  | A Man Apart (2003) | £227,353 | £485,015 | £1,012,745 | -57% | 2 |
| 9 (6) |  | Maid In Manhattan (2003) | £168,910 | £362,718 | £7,859,961 | -54% | 6 |
| 10 (9) |  | The Rules of Attraction (2003) | £122,452 | £244,232 | £835,861 | -37% | 3 |
| 11 (8) |  | Cradle 2 The Grave (2003) | £85,629 | £190,234 | £981,036 | -61% | 3 |
| 12 (7) |  | The Core (2003) | £81,948 | £247,526 | £1,450,083 | -75% | 3 |
| 13 (10) |  | Chicago (2003) | £75,458 | £184,287 | £16,111,718 | -46% | 16 |
| 14 (new) |  | The Little Polar Bear (2003) | £71,408 | £71,408 | £71,408 | new | 1 |
| 15 (16) | | The Good Thief (2002) | £9,210 | £17,286 | £505,689 | -35% | 6 |
| 16 (11) |  | The Pianist (2003) | £1,164 | £193,183 | £2,216,209 | -99% | 6 |