What are the best certified approved builders in Kensington?

When searching for the best certified approved builders in Kensington, it’s crucial to look for professionals who are accredited by recognized bodies like the Federation of Master Builders (FMB) and Constructionline. These certifications ensure that the builders adhere to high standards of workmanship and safety. In 2026, you can expect to pay around £1,500–£2,500 per square metre for a house extension or loft conversion, depending on the complexity of the project and the materials required.

Garage conversions can vary significantly, with costs typically ranging from £10,000 to £30,000. Always request to see a builder’s qualifications and past project examples. Additionally, in Kensington, many builders are also NICEIC certified, especially if electrical work is involved, which guarantees that installations meet the necessary safety regulations.

For a smooth experience, ensure you have a detailed contract and a clear timeline for your project.

Looking for professionals in your area? Find vetted providers on TradeMatch.