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What are the costs for building extensions near me local in Uxbridge?

uxbridgeAsked 2026-03-1918 views1 answers90 total votes

The cost of building extensions in Uxbridge typically ranges from £1,200 to £2,500 per square metre in 2026. For a standard ground floor extension, you might expect to pay aroun...

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Helen CrossBuilding Specialist · 9 yrs
Accepted Answer2026-03-19

The cost of building extensions in Uxbridge typically ranges from £1,200 to £2,500 per square metre in 2026. For a standard ground floor extension, you might expect to pay around £15,000 to £30,000 for a well-finished space, depending on the complexity of the design and materials used. For loft conversions, prices start at approximately £20,000 and can go up to £40,000, especially if you are looking for a dormer or hip-to-gable conversion.

When hiring builders, especially for significant projects like extensions or conversions, it's essential to ensure they have the appropriate certifications, such as NICEIC for electrical work and Gas Safe for any gas installations. This guarantees that your project meets safety regulations and quality standards.

Moreover, local planners in Uxbridge may have specific requirements, so be sure to check for any planning permissions needed for your project.

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