How much does a house extension cost near me local building Stockton-on-Tees?

In Stockton-on-Tees, a typical house extension can cost between £1,200 to £2,000 per square meter in 2026. The total cost will depend on the complexity of the design, materials used, and any necessary permits. For a standard 20 square meter extension, you might expect to pay around £24,000 to £40,000. It's also advisable to hire a contractor who is registered with appropriate certifications, such as Construction Skills Certification Scheme (CSCS) or the National Federation of Builders (NFB), which assures quality and professionalism. If you're considering a loft conversion, costs can range from £20,000 to £50,000, depending on the size and whether you require structural changes. Always ensure that your builder adheres to local planning regulations and is well-versed in building control requirements.

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