What are the costs for a house extension near me local building Luton?

The cost of a house extension in Luton can vary significantly based on size, design, and materials used. On average, you're looking at £1,200 to £2,000 per square metre in 2026. For a standard 20 square metre extension, this can result in a total cost of £24,000 to £40,000. It's essential to hire professionals with the right certifications, such as those registered with the National Federation of Builders (NFB) or Local Authority Building Control (LABC). Also, make sure your builders are compliant with the necessary planning permissions and structural integrity standards in Luton. Additionally, if you are considering a loft or garage conversion, those typically range from £20,000 to £60,000 depending on the complexity and type of conversion. Engaging with local professionals ensures you get the best advice tailored to your specific needs.

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