In Brighton there is a Local Exchange trading scheme (6 Brights = 1 hour), though apparently no timebank yet.
Freelending CIC is developing a Timebank initiative within Brighton called "Brighton (Triratna) Timebank". The web address brightontimebank.info is set up at present to lead people to this St Leonards website for background information. If you are from Brighton: Welcome; it feels good to be strengthening the St Leonards & Brighton link.
Some outreach work in developing the links within a group of people from Brighton was a "skills sharing speed networking" event in October 2011. A short version of that event is here:
& here's the full film of the work with a Buddhist group from Brighton: