Supreme are able to offer both planned and response maintenance in building, electrical, plumbing, heating and gas works. All work is carried out to a level to suit each customer’s individual requirements. We can provide both Landlord Gas Safety Certification and NICEIC Electrical Certification. We also provide PAT (Portable Application Testing) to check the safety of your electrical appliances and equipment and EPC (Energy Performance Certification) to test your energy efficiency and make recommendations on how to reduce energy expense. Supreme’s roofing division has been long established with the London Borough of Camden, Barnet, Haringey, Enfield and other housing associations. As well as offering conventional roofing methods we are approved contractors for Centaur CQP, which offers levels of performance and reliability that are quite simply unsurpassed.