| Title | Weekend | Week | Total | % Change | Total Weeks | ||
| 1 (new) | ![]() | War of the Worlds (2005) | £8,644,787 | £8,644,787 | £8,644,787 | new | 1 |
| 2 (1) | ![]() | Batman Begins (2005) | £1,370,100 | £2,809,691 | £12,198,526 | -53% | 3 |
| 3 (2) | ![]() | Mr. & Mrs. Smith (2005) | £727,703 | £1,544,081 | £11,515,104 | -50% | 4 |
| 4 (3) | ![]() | Star Wars Episode III: Revenge of the Sith (2005) | £344,882 | £623,563 | £38,486,163 | -43% | 7 |
| 5 (5) | ![]() | A Lot Like Love (2005) | £254,883 | £530,230 | £948,134 | -39% | 2 |
| 6 (4) | ![]() | Kung-Fu Hustle (2005) | £182,199 | £433,948 | £903,159 | -61% | 2 |
| 7 (6) | ![]() | Sin City (2005) | £133,765 | £354,613 | £6,710,412 | -60% | 5 |
| 8 (7) | Paheli (2005) | £110,566 | £207,469 | £400,169 | -43% | 2 | |
| 9 (8) | ![]() | The Pacifier (2005) | £88,445 | £123,133 | £4,015,143 | -50% | 6 |
| 10 (new) | Sarkar (2005) | £51,675 | £51,675 | £51,675 | new | 1 | |
| 11 (12) | Bombon El Perro (2004) | £34,684 | £64,639 | £166,596 | -16% | 3 | |
| 12 (new) | Yakeen (2005) | £25,303 | £25,303 | £25,303 | new | 1 | |
| 13 (9) | ![]() | Monster-in-Law (2005) | £19,756 | £53,606 | £6,290,086 | -71% | 8 |
| 14 (11) | ![]() | A Married Woman (2005) | £18,499 | £39,481 | £396,208 | -62% | 4 |
| 15 (re) | ![]() | Valiant (2005) | £17,721 | £17,721 | £8,494,897 | re | 13 |