What is the cost of a house extension in York?

In York, the cost of a house extension typically ranges from £1,200 to £2,500 per square metre in 2026, depending on the complexity of the design and materials used. A standard single-storey extension may cost between £20,000 and £50,000, while a multi-storey extension can increase that figure significantly, potentially reaching £100,000 or more. It's crucial to hire professionals who are registered with relevant certifications, such as the NICEIC for electrical work and Gas Safe for any gas installations, to ensure compliance with building regulations. Furthermore, obtaining planning permission may be necessary, which can add to the overall cost and timeline of your project. Within York, you’ll find many local builders experienced in house extensions who can help navigate these requirements and provide a comprehensive quote tailored to your needs.

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