| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (1) |  | Harry Potter and the Prisoner of Azkaban (2004) | £2,029,289 | £3,196,281 | £39,698,204 | -40% | 4 |
| 2 (3) |  | Mean Girls (2004) | £983,547 | £1,621,777 | £3,015,271 | -29% | 2 |
| 3 (2) |  | The Day After Tomorrow (2004) | £874,386 | £1,540,128 | £22,608,036 | -43% | 5 |
| 4 (new) |  | The Ladykillers (2004) | £565,137 | £565,137 | £565,137 | new | 1 |
| 5 (new) |  | The Notebook (2004) | £309,507 | £309,507 | £309,507 | new | 1 |
| 6 (4) |  | Troy (2004) | £284,358 | £624,151 | £17,103,868 | -54% | 7 |
| 7 (new) |  | Eurotrip (2004) | £147,439 | £147,439 | £147,439 | new | 1 |
| 8 (6) |  | The Cooler (2003) | £82,029 | £165,648 | £317,162 | -46% | 2 |
| 9 (new) | | You Got Served (2004) | £68,255 | £68,255 | £68,255 | new | 1 |
| 10 (7) |  | Lakshya (2004) | £46,944 | £90,075 | £212,212 | -62% | 2 |
| 11 (5) |  | Jersey Girl (2004) | £46,488 | £196,586 | £423,556 | -80% | 2 |
| 12 (new) | | The Return (2003) | £43,388 | £43,388 | £43,388 | new | 1 |
| 13 (11) |  | Bad Education (2004) | £39,101 | £72,439 | £1,085,664 | -29% | 6 |
| 14 (new) |  | Deewaar: Let's Bring Our Heroes Home (2004) | £37,428 | £37,428 | £37,428 | new | 1 |
| 15 (15) | | Intimate Strangers (2004) | £25,988 | £51,988 | £90,580 | -33% | 2 |