Gas fired space heating installations; Automatic watering installations; Automatic watering installations for use in agriculture; Automatic watering installations for use in gardening; Backflow seals; Bath installations; Bathroom installations; Bathroom installations for sanitary purposes; Bathroom installations for water supply purposes; Drinking water supply installations; Effluent treatment (purifying) installations; Installations for cooling drinking water; Installations for water filtering; Installations for water filtration; Water purification installations; Shower installations; Solar heating installations; Taps for water supply installations; Toilets; Washroom installations; Waste water treatment installations; Water distribution installations; Water filtering installations; Water filtration installations; Water heating installations; Water supply installations; Air conditioning fans; Air conditioning filters; Air conditioning for cupboards; Air conditioning for data processing rooms; Air conditioning apparatus for commercial buildings; Air conditioning for use in transportation; Air conditioning installations for agricultural use; Air conditioning installations for commercial use; Air conditioning installations for industrial use; Air conditioning installations for residential use; Air conditioning installations for use in food processing; Air filtration installations; Air-conditioning fans; Air-conditioning installations; Decorative electric lighting installations; Decorative electric lighting installations for use in gardens; Decorative electric lighting installations for use in patios; Domestic air conditioning installations; Electric lighting installations; Electric lighting installations for exterior use; Electric lighting installations for interior use; Electrical fans being parts of household air conditioning installations; Electrical fans being parts of household ventilation installations; Ventilation installations; Ventilation (air conditioning) in; stallations for buildings; Ventilation (air conditioning) installations for laboratories; Uninterruptible power supply generating installations; Under carpet heating installations; Solar energy powered heating installations; Shades for lighting installations; Security lighting installations incorporating a passive infra-red detector; Lighting installations; Ventilating installations; Installations for the heating of air

Plumbing; Maintenance of plumbing; Plumbing and glazing services; Maintaining and repair of drain pipes; Handyman repair, maintenance and installation services; Pipeline construction and maintenance; Building maintenance; Drainage services; Building and construction services; Repair, maintenance and installation consultancy services; Advisory services relating to the maintenance of buildings; Advisory services relating to building refurbishment; Advisory services relating to construction; Advisory services relating to excavating; Advisory services relating to pipe laying; Advisory services relating to the repair of buildings; Agricultural equipment repair and maintenance; Boiler cleaning and repair; Boiler cleaning services; Boiler repair services; Central heating installation; Civil engineering (construction and maintenance); Cleaning of boilers; Clearing of tree roots from pipes and drains (plumbing services); Damp-proofing (building); Diagnostic maintenance services; Disconnecting unused service lines (eg gas, mains water, electricity); Earthmoving; Environmental remediation services, namely, waste disposal [cleaning services]; Excavating; Farming equipment repair and maintenance; Fire protection sprinkler system installation, maintenance and repair; Heating equipment installation; Heating equipment installation and repair; Heating equipment repair; Home maintenance services; Repair services; Home repair services; Installation of industrial plant; Maintenance services for industrial plants; Installation and repair of air conditioning apparatus; Installation and repair of air-conditioning apparatus; Installation and repair of underwater pipelines; Installation of heating apparatus; Installation of apparatus for sanitation; Installation of apparatus for ventilating; Installation of boilers; Installation of catering equipment; Installation of central heating; Installation of central vacuum cleaning systems; Installation of fire detection systems; Installation of fre; ezers; Installation of kitchen appliances; Kitchen equipment installation; Installation of pipelines; Installation of roofing; Installation of sanitary apparatus; Installation of washroom apparatus; Insulation of roofing; Land drainage; Land excavating; Laying of pipelines; Machinery installation services; Machinery maintenance services; Maintaining and repair of roof guttering; Maintenance and repair of gas installations and equipment; Maintenance and repair of heating; Maintenance and repair of industrial apparatus; Maintenance and repair of pipelines; Maintenance and repair of utilities in buildings; Maintenance and servicing of fire alarm systems; Maintenance, installation and repair of industrial apparatus and instruments; Oil pipeline construction; Pipe installation services; Pipe laying services; Pipe-fitting; Pipeline construction; Pipeline insulation; Pipeline laying; Pipeline maintenance; Property maintenance; Pump repair; Refurbishment of buildings; Renovation of plumbing; Rental of excavators; Rental of plumbing apparatus; Repair of concrete; Repair of gas supply systems; Repair of kitchen appliances; Roof installation services; Roof repair; Roof restoration; Roofing services; Sewer pipe cleaning; Sewer pipe maintenance; Sewer pipe renovation; Sewer pipe servicing; Unblocking of drains; Waterproofing of buildings; Electrical installation services; Maintenance, installation and repair of electrical items and equipment; Electrical wiring services; Electrical apparatus installation; Maintenance and repair of electrical apparatus; Installation of electrical apparatus; Electrical engineering services (construction); Repair, maintenance and installation advisory services; Providing information, including online, about building construction, and repair and installation services; Maintenance and repair of buildings; Burglar alarm installation; Burglar alarm installation and repair; Burglar alarm repair; Cable laying; Electric appliance installation; Electric app; liance installation and repair; Electric appliance repair; Electrical apparatus repair; Elevator installation; Elevator installation and repair; Elevator repair; Fire alarm installation; Fire alarm installation and repair; Fire alarm repair; Installation and repair of telecommunication apparatus; Installation of alarms; Installation of apparatus for air-conditioning; Installation of apparatus for heating; Installation of audio electrical apparatus; Installation of burglar alarms; Installation of cable television systems; Installation of communications network apparatus; Installation of communications network instruments; Installation of data network apparatus; Installation of electricity generators; Installation of electronic apparatus; Installation of elevators; Installation of lighting systems; Installation of security systems; Installation of solar energy systems; Installation of telecommunications apparatus; Installing of electronic communications networks; Installing of telecommunications networks; Lift installation; Lift installation and repair; Lift maintenance; Lift repair; Machinery installation, maintenance and repair; Machinery repair; Mains laying; Maintenance and repair of communications systems; Maintenance and repair of data communications networks; Maintenance and repair of electronic apparatus; Maintenance and repair of electronic installations; Maintenance and servicing of security alarms; Maintenance of data communication networks; Maintenance, installation and repair of household items and equipment; Mechanical engineering services (construction); Office equipment installation; Repair of alarms; Repair of electrical appliances; Repair of electronic apparatus; Repair of telephone apparatus; Replacement of batteries; Services of electricians; Servicing of equipment; Swimming pool maintenance; Telephone installation; Telephone installation and repair; Telephone repair; Television equipment installation and repair