Hedge
I think you original question on SF was a London supplier of consealed hinges. Most decent ironmongers will keep the basic range of hinges but if you want something specific the nearest would be Isaac Lord in High Wycombe.
www.isaaclord.co.uk.
(a bit of a slow site so order their catalogue) They do the basic Module range as well as mini, click and inserta. Another good source for Blum products is Woodfit
www.woodfit.co.uk they also have all the drilling jigs etc. again worth ordering their catalogue.
Jason