Barnard interviewed family and friends of Andrea Dunbar - including her daughter Lorraine Dunbar, who is in rehab - and formed the film’s screenplay using the edited audio-clips of the interviews, which the actors lip-sync to.
Alexei Popogrebsky won the Best Film award for How I Ended This Summer, Janus Metz’s Armadillo won the Best Documentary award and Danny Boyle won the British Film Festival fellowship for his film 127 Hours, which closes the festival at a gala screening in the Leicester Square Odeon tonight.
Want to see The Arbor? Find out where's it's playing in London.
By Chetna Prakash