Bricklayer - wall, stone

Insulation - cavity wall, loft, roof

Pointing - brickwork, mortar

Remove chimney breast

Renovate room

Appliance - cooker, oven, hob, extractor fan

Electric heating - boiler, radiator, underfloor

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

Lights - switch, dimmer, LED

Security - intercom, alarm, CCTV, motion sensor

TV, aerial & cables - computer, printer, speakers

Wiring - socket, fuseboard, switch