What are the costs for a house extension in Whitby?

The cost of a house extension in Whitby typically ranges from £1,200 to £2,000 per square meter in 2026. This price varies based on the design, materials used, and the complexity of the build. For a standard single-storey extension of around 20 square meters, homeowners can expect to pay between £24,000 and £40,000. If you're considering a more elaborate two-storey extension, costs can soar to £50,000 or more.

It's essential to ensure that your builder is qualified, and you should look for certifications like NICEIC for electrical work or Gas Safe for plumbing and heating needs, ensuring compliance with safety standards. Additionally, obtaining planning permission is crucial, as Whitby has specific regulations that may affect your project.

If you are considering a loft or garage conversion, these can also add significant value to your property, often costing around £20,000 to £35,000 depending on the scope. Always get multiple quotes from local providers to find the best deal.

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