Appliance - cooker, oven, hob, extractor fan

Electric heating - boiler, radiator, underfloor

Electric hot water - shower, cylinder, immersion, boiling tap

Landlord - EICR certificate, PAT & fixed testing, fire/smoke/CO alarms

Lights - switch, dimmer, LED

Renewable - solar photovoltaic (PV), air source

Security - intercom, alarm, CCTV, motion sensor

TV, aerial & cables - computer, printer, speakers

Wiring - socket, fuseboard, switch

Combi boiler - install, service, repair

Heating circulation - radiators, valves, pipes, pump

Heating controls - timer, programmer, smart control, TRV, thermostat

Hot water - cylinder, booster pump

Landlord - CP12 safety certificates, smoke/fire/CO alarms

LPG & oil - boiler, fuel tank, OFTEC

Powerflush - sludge blockages, system clean, inhibitor

Renewable - solar panels, heat pumps (air/ground)

System boiler - install, service, repair

Underfloor heating