Comedown (2012)
Comedown is a 2012 urban horror film directed by Menhaj Huda, and written by Steven Kendall. Dubbed as "Kidulthood meets Saw", the film stars Geoff Bell, Adam Deacon and Jacob Anderson in the lead roles. It premiered on 4 October 2012, at film festival Grimmfest, but was not released to cinemas on general release, and instead expected to be released direct-to-DVD on 11 March 2013. The film was shot on a budget of $2,000,000, and was filmed in a suburb of London close to the O2 Arena.
More at Wikipedia.