https://www.ctcarsltd.co.uk nearish to heathrow is the last one I used at £36 while I wait. My usual one had gone up from £30 to £75 when I telephoned.
They do not do recoding as part of this, only CP removal from all modules that are in a CP state (so if you are planning any further retrofits you may as well do in one go as the process clears it on every module).
It's a unit on a farm near a Garden centre in a village. Nice setup