What are the costs for a house extension in Norwich?

The cost for a house extension in Norwich typically ranges from £1,200 to £2,500 per square metre in 2026. Factors influencing the price include the type of extension, materials used, and any necessary permissions or structural work. For example, a standard single-storey extension of about 20 square metres could cost between £24,000 and £50,000 depending on the specifications.

It's crucial to hire qualified builders who are registered with relevant certifications such as NICEIC for electrical work and Gas Safe for any gas installations. This ensures that all work is carried out safely and meets local regulations. Moreover, in Norwich, planning permission is usually required, and costs can vary based on your specific project.

In addition, consider whether you’ll need to hire an architect, which can add around £1,000 to £3,000 to your overall project cost.

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