| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (new) |  | Charlie's Angels: Full Throttle (2003) | £3,273,078 | £3,273,078 | £3,273,078 | new | 1 |
| 2 (1) |  | Bruce Almighty (2003) | £3,259,211 | £6,131,524 | £13,391,991 | -55% | 2 |
| 3 (2) |  | 2 Fast 2 Furious (2003) | £624,299 | £1,209,720 | £6,167,855 | -45% | 3 |
| 4 (3) |  | The Matrix Reloaded (2003) | £309,485 | £603,517 | £31,722,319 | -26% | 7 |
| 5 (4) |  | Wrong Turn (2003) | £270,860 | £556,087 | £926,649 | -27% | 2 |
| 6 (5) |  | Identity (2003) | £202,211 | £425,376 | £2,903,357 | -35% | 4 |
| 7 (7) | | Nicholas Nickleby (2003) | £182,242 | £411,770 | £634,146 | -18% | 2 |
| 8 (6) |  | Anger Management (2003) | £134,736 | £306,873 | £5,544,362 | -46% | 5 |
| 9 (8) | | Main Prem Ki Diwani Hoon (2003) | £82,995 | £159,541 | £318,544 | -48% | 2 |
| 10 (18) |  | Piglets Big Movie (2003) | £72,844 | £92,577 | £117,629 | 66% | 2 |
| 11 (new) | | Dark Blue (2003) | £70,049 | £70,049 | £70,049 | new | 1 |
| 12 (12) |  | Kangaroo Jack (2003) | £56,158 | £78,203 | £3,162,491 | -9% | 8 |
| 13 (9) |  | Dumb and Dumberer When Harry Met Lloyd (2003) | £45,723 | £102,977 | £1,660,266 | -60% | 4 |
| 14 (re) |  | Ripleys Game (2003) | £44,096 | £44,096 | £917,414 | RE | 4 |
| 15 (16) | | To Be and to Have (2003) | £39,463 | £61,944 | £162,300 | 16% | 3 |
| 16 (15) | | Igby Goes Down (2002) | £29,148 | £102,797 | £435,518 | -13% | 4 |
| 17 (10) |  | Basic (2003) | £24,144 | £149,447 | £663,157 | -74% | 3 |
| 18 (new) | | Le Cercle Roug (2003) | £20,789 | £20,789 | £20,789 | new | 1 |
| 19 (13) |  | Chalte Chalte (2003) | £3,383 | £132,982 | £788,086 | -94% | 4 |