PC Stilwell Plumbing and Heating Engineer We have been an established family business for over 35 years with experience in Plumbing and Heating Design and Installation OFTEC Registered and fully qualified to City and Guilds Standard in Craft, Advanced Craft and Pre-Technical level Plumbing and Heating. Bathrooms and Kitchens fitted from design to completion to top specifications allow us to take the worry of purchase and organizing trades to complete. Central Heating, Underfoor Heating, Boiler Changes and Servicing, System Upgrades Licenced Plumber with APHC and Water Regulation Approved Contractor. Unvented Hot Water System Approved