Back in 1999, the British Film Institute surveyed a 1000 people working in British Film and TV to determine the greatest British films of the 20th century. Those taking part were asked to select up to 100 movies considered “culturally British”. Check out the Top 10 British films of the 20th century ranked in that survey, with one director showing up three times and both Brief Encounter and Lawrence of Arabia missing out on No 1.