With insulation or heating work, choosing the right tradesperson matters. Nick suggests not relying solely on online reviews. Ask to speak to previous customers or see examples of completed work. Companies House is a useful tool on the Gov.uk website because it shows how long a business has been trading and gives a sense of stability.
Look for relevant credentials, and where possible choose installers that are part of recognised trade bodies or covered by an Alternative Dispute Resolution scheme. Some excellent builders have worked for decades without newer qualifications, so personal recommendations are still invaluable. Many tradespeople get work through word of mouth, so asking friends, neighbours and colleagues can be the best place to start.
Great tradespeople are often busy, so instant availability can be a warning sign. For gas and electrical work, make sure engineers are Gas Safe registered and properly qualified.
Comparison sites such as Checkatrade and TrustATrader can be useful for a shortlist, but always carry out your own checks too. TrustMark is the government-endorsed quality scheme for trades, and for insulation work, services such as GreenMatch can connect you with vetted installers.
