| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (1) |  | The Lord of the Rings: The Two Towers (2002) | £3,728,876 | £6,117,580 | £44,520,972 | -35% | 4 |
| 2 (new) |  | Gangs of New York (2003) | £2,622,748 | £2,622,748 | £2,622,748 | new | 1 |
| 3 (new) |  | The Tuxedo (2003) | £1,080,504 | £1,080,504 | £1,080,504 | new | 1 |
| 4 (2) |  | Star Trek: Nemesis (2003) | £808,579 | £1,412,935 | £3,370,780 | -59% | 2 |
| 5 (4) |  | Die Another Day (2002) | £640,382 | £1,034,554 | £34,824,256 | -41% | 8 |
| 6 (3) |  | Harry Potter and the Chamber of Secrets (2002) | £624,450 | £1,132,640 | £51,932,561 | -45% | 9 |
| 7 (5) |  | Sweet Home Alabama (2002) | £523,337 | £933,145 | £4,660,412 | -40% | 4 |
| 8 (6) |  | City of God (2003) | £274,544 | £469,361 | £776,538 | -11% | 2 |
| 9 (new) |  | The Good Girl (2003) | £114,235 | £114,235 | £114,235 | new | 1 |
| 10 (9) |  | The Quiet American (2002) | £87,489 | £160,733 | £1,735,861 | -26% | 7 |
| 11 (7) |  | Santa Clause 2 (2002) | £82,267 | £133,831 | £7,855,826 | -72% | 7 |
| 12 (new) | | City By the Sea (2003) | £77,936 | £77,936 | £77,936 | new | 1 |
| 13 (10) |  | Chicago (2003) | £67,405 | £111,932 | £384,674 | -18% | 3 |
| 14 (8) |  | Like Mike (2002) | £63,458 | £86,330 | £1,183,129 | -51% | 5 |
| 15 (15) |  | Bowling For Columbine (2002) | £42,683 | £85,969 | £1,215,039 | -16% | 8 |