Hi Nick, i have a number of a guy who i use at work when i have problems with air con systems, his prices are quite reasonable and he will do it at your house but i have never used him for R12 ,the machine we have only does R134 (other wise you could have cashed in that favour) i will give him a ring tomorrow for you and ask him if he can do it and how much and let you know.... [Non-text portions of this message have been removed]