South & Central Gas Appliances for all your Plumbing, Heating and Gas Appliance needs in London we cover most London postcodes, please ring to check if we cover your area. SC Gas Appliances now offers an Energy Performance Certificate London, otherwise known as an EPC London to inspect the energy performance of a building. To learn more about this service please do not hesitate to contact our friendly team. Do make sure any engineer you allow to work on your gas appliances is CORGI / GAS SAFE registered, a registered installer will always carry a valid ID card. If a an explosion or fire caused by an appliance not installed to Gas Safety Regs, (i.e notified to CORGI / GAS SAFE and undertaken by a competent CORGI/GAS SAFE registered person) may invalidate any subsequent building's insurance claims.