I think it's been said but try the CTC forum, there's often some great deals on there - i picked up a 531st Dawes Glalaxy full bike for £190 last year.
@DeadSpale started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
I think it's been said but try the CTC forum, there's often some great deals on there - i picked up a 531st Dawes Glalaxy full bike for £190 last year.