| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (new) |  | Two Weeks Notice (2002) | £2,636,050 | £2,636,050 | £2,636,050 | new | 1 |
| 2 (1) |  | Catch Me If You Can (2003) | £2,235,436 | £3,640,045 | £7,361,002 | -40% | 2 |
| 3 (new) |  | Final Destination 2 (2003) | £1,675,057 | £1,675,057 | £1,675,057 | new | 1 |
| 4 (new) |  | The Wild Thornberrys Movie (2003) | £1,430,610 | £1,430,610 | £1,430,610 | new | 1 |
| 5 (3) |  | Chicago (2003) | £875,130 | £1,647,376 | £9,622,430 | -30% | 7 |
| 6 (4) |  | The Lord of the Rings: The Two Towers (2002) | £765,799 | £1,215,875 | £53,972,693 | -28% | 8 |
| 7 (2) |  | 8 Mile (2002) | £655,233 | £1,161,876 | £12,175,385 | -54% | 4 |
| 8 (6) |  | About Schmidt (2002) | £385,520 | £702,848 | £2,507,555 | -37% | 3 |
| 9 (5) |  | Gangs of New York (2003) | £339,906 | £660,823 | £9,780,851 | -50% | 5 |
| 10 (7) |  | I Spy (2003) | £209,739 | £344,143 | £2,007,657 | -60% | 3 |
| 11 (9) |  | Harry Potter and the Chamber of Secrets (2002) | £169,393 | £204,296 | £53,667,056 | -32% | 13 |
| 12 (8) |  | Ghost Ship (2003) | £154,008 | £365,547 | £2,005,805 | -67% | 3 |
| 13 (new) |  | Punch-Drunk Love (2002) | £151,494 | £151,494 | £151,494 | new | 1 |
| 14 (12) |  | The Pianist (2003) | £106,799 | £210,981 | £689,573 | -32% | 3 |
| 15 (10) |  | The Tuxedo (2003) | £93,702 | £139,696 | £3,283,769 | -58% | 5 |