| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (1) |  | 8 Mile (2002) | £2,514,467 | £4,209,111 | £8,649,445 | -43% | 2 |
| 2 (3) |  | Chicago (2003) | £1,918,232 | £3,153,656 | £5,552,239 | -3% | 5 |
| 3 (2) |  | The Lord of the Rings: The Two Towers (2002) | £1,638,618 | £2,642,862 | £51,037,696 | -32% | 6 |
| 4 (4) |  | Gangs of New York (2003) | £1,108,919 | £2,001,834 | £7,869,425 | -35% | 3 |
| 5 (new) |  | I Spy (2003) | £878,229 | £878,229 | £878,229 | new | 1 |
| 6 (new) |  | Ghost Ship (2003) | £784,565 | £784,565 | £784,565 | new | 1 |
| 7 (new) |  | About Schmidt (2002) | £757,325 | £757,325 | £757,325 | new | 1 |
| 8 (5) |  | The Tuxedo (2003) | £456,894 | £643,659 | £2,824,461 | -41% | 3 |
| 9 (6) |  | Harry Potter and the Chamber of Secrets (2002) | £372,879 | £509,877 | £53,142,525 | -25% | 11 |
| 10 (new) |  | The Pianist (2003) | £195,222 | £195,222 | £195,222 | new | 1 |
| 11 (8) |  | Die Another Day (2002) | £190,950 | £333,565 | £35,789,760 | -51% | 10 |
| 12 (7) |  | Star Trek: Nemesis (2003) | £179,743 | £369,826 | £4,540,798 | -58% | 4 |
| 13 (11) |  | City of God (2003) | £134,137 | £302,734 | £1,503,538 | -41% | 4 |
| 14 (9) |  | The Transporter (2002) | £130,572 | £285,073 | £623,493 | -61% | 2 |
| 15 (10) |  | Sweet Home Alabama (2002) | £91,965 | £192,151 | £5,331,446 | -65% | 6 |