There's locksmith in based in Liverpool that do it, I had mine reprogrammed for my old Megane a few years ago. There is also a program that I found on the internet that actually tells you how to do it....there's a code on the chip inside the key and you enter that into the program.
Delta Locksmiths (they come out to your house).
85A, Broad Lane, Liverpool , L11 1AD 3.3 miles NE Freephone: 0800 587 0292 Mob: 07958 992879
24Hr 7 Days - No Call Out Fee Coded Car Keys - Lost Yours? Wood, UPVC & Aluminium Doors Ignition & Door Lock Problems Landlord Service - Locked Out? 30Min Wait. We Beat Any Price!