| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (1) |  | Harry Potter and the Goblet of Fire (2005) | £9,275,599 | £14,690,691 | £29,624,592 | -38% | 2 |
| 2 (new) |  | Flightplan (2005) | £1,694,350 | £1,694,350 | £1,694,350 | new | 1 |
| 3 (new) |  | The Exorcism of Emily Rose (2005) | £1,346,732 | £1,346,732 | £1,346,732 | new | 1 |
| 4 (new) |  | Mrs. Henderson Presents (2005) | £752,394 | £752,394 | £752,394 | new | 1 |
| 5 (new) |  | Transporter 2 (2005) | £414,400 | £414,400 | £414,400 | new | 1 |
| 6 (3) |  | The Constant Gardener (2005) | £413,296 | £854,857 | £3,240,119 | -44% | 3 |
| 7 (2) |  | In Her Shoes (2005) | £388,298 | £845,901 | £3,725,335 | -55% | 3 |
| 8 (4) |  | Nanny Mcphee (2005) | £365,618 | £475,147 | £15,869,940 | -43% | 6 |
| 9 (5) |  | Wallace & Gromit: The Curse of the Were-Rabbit (2005) | £255,484 | £371,948 | £31,580,629 | -49% | 7 |
| 10 (6) |  | Kiss, Kiss! Bang Bang (2005) | £107,081 | £272,141 | £1,308,598 | -65% | 3 |
| 11 (8) |  | The Libertine (2005) | £93,974 | £257,058 | £535,540 | -66% | 2 |
| 12 (7) |  | Saw II (2005) | £74,531 | £214,967 | £7,181,561 | -74% | 5 |
| 13 (new) | | Deewane Huye Paagal (2005) | £71,064 | £71,064 | £71,064 | new | 1 |
| 14 (new) |  | Mad Hot Ballroom (2005) | £29,907 | £29,907 | £29,907 | new | 1 |
| 15 (re) |  | The Beat That My Heart Skipped (2005) | £23,003 | £23,003 | £320,890 | RE | 1 |