| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (new) |  | Borat: Cultural Learnings of America For Make Benefit Glorious Nation of Kazakhstan (2006) | £6,242,344 | £6,242,344 | £6,242,344 | new | 1 |
| 2 (1) |  | Saw III (2006) | £1,403,657 | £3,074,662 | £5,597,183 | -44% | 2 |
| 3 (2) |  | Step Up (2006) | £696,369 | £1,268,750 | £2,481,475 | -43% | 2 |
| 4 (3) |  | The Departed (2006) | £556,823 | £1,146,301 | £11,301,141 | -46% | 5 |
| 5 (5) |  | The Devil Wears Prada (2006) | £460,062 | £1,058,243 | £12,717,312 | -49% | 5 |
| 6 (4) |  | Open Season (2006) | £402,941 | £741,503 | £6,594,350 | -58% | 4 |
| 7 (6) |  | Barnyard (2006) | £355,612 | £678,062 | £3,664,087 | -52% | 3 |
| 8 (new) |  | Sixty Six (2006) | £292,295 | £292,295 | £292,295 | new | 1 |
| 9 (8) |  | The History Boys (2006) | £176,329 | £454,499 | £3,457,972 | -58% | 4 |
| 10 (new) |  | Little Children (2006) | £158,012 | £158,012 | £158,012 | new | 1 |
| 11 (7) |  | Click (2006) | £154,039 | £329,822 | £7,617,962 | -64% | 6 |
| 12 (new) | | Umrao Jaan (2006) | £136,011 | £136,011 | £136,011 | new | 1 |
| 13 (10) |  | Hoodwinked (2006) | £124,795 | £234,530 | £5,545,463 | -65% | 6 |
| 14 (13) |  | Don (2006) | £123,773 | £233,415 | £1,265,798 | -57% | 3 |
| 15 (9) |  | A Good Year (2006) | £122,753 | £376,139 | £753,101 | -67% | 2 |