Which? Trusted Traders gives you the confidence to choose local, reliable tradesmen. Find a builder, plumber or other trader in your area today.
Gas Safe Register is the official list of gas engineers who are qualified to work safely and legally on gas appliances.
The Glass and Glazing Federation is the representative body for companies that make, supply or fit, glass and glazing products including double glazing and conservatories.
ISO 9001 Quality Management Systems, the world's leading quality management standard.
The Kitchen Bathroom Bedroom Specialists Association is made up of independent, local retailers and over 100 of the industry’s leading manufacturers.
Kitemark for Window Energy Rating.
Microgeneration Certification Scheme (MCS) is a nationally recognised quality assurance scheme, supported by the Department of Energy and Climate Change.
NICEIC provides assessment and certification services for contractors working across the building services sectors. We assess electricians, renewable energy installers, plumbers and gas and heating engineers.
Renewable Energy Consumer Code - bringing information to anyone wishing to buy or lease a micro heat or power generation unit.
Welcome to FENSA - a government authorised Competent Persons Scheme for the replacement of windows, doors and roof lights in England and Wales.
Builders in London to Electricians in Edinburgh - Local, trustworthy and reliable tradesmen, working to Government endorsed standards