Maintenance of plumbing; Plumbing; Maintenance, installation and repair of electrical items and equipment; Heating equipment installation; Heating equipment installation and repair; Heating equipment repair; Handyman repair, maintenance and installation services; Installation and repair of air conditioning apparatus; Installation and repair of air-conditioning apparatus; Installation of apparatus for heating; Installation of apparatus for ventilating; Installation of central heating; Installation of electrical apparatus; Installation of heating apparatus; Repair, maintenance and installation advisory services; Repair, maintenance and installation consultancy services