General information
Insight on a wide range of regulations, issues and topics connected with home improvement, plus more about the Which? Trusted Traders endorsement scheme itself.
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Just like the Which? Best Buy award, our Which? Trusted trader icon is a sign of reputation and trust
Becoming a Which? Trusted Trader involves a rigorous assessment process. Just like the Which? Best Buy logo, it's a sign of reputation and trust.
By law, all new building constructions and many alterations to existing buildings must conform to building regulations. We look at when you need to notify building control about your home improvements.
After receiving conflicting advice on their roof tiles from multiple traders, a homeowner reaches out to our experts for a definitive answer
When planning any major home improvement project in your home, it is vital to establish whether you need planning permission. Here's our guide to arm you with all you need to know.