What is the cost in 2026 for building extensions in Bournemouth?

The cost of building extensions in Bournemouth in 2026 varies based on the size and complexity of the project. Generally, you can expect to pay around £1,500 to £2,500 per square metre for standard house extensions. For instance, a typical 20 square metre extension might cost between £30,000 and £50,000, depending on the finishes and materials used.

For loft conversions, prices range from £25,000 to £50,000, with factors such as structural changes and insulation affecting the final price. Garage conversions tend to be more economical, costing around £10,000 to £20,000, depending on the condition of the garage and the desired use.

It's crucial to hire professionals who hold the appropriate certifications, such as NICEIC for electrical work or Gas Safe for any gas installations, ensuring safety and compliance with regulations.

Overall, while costs can vary, planning your budget and consulting local builders in Bournemouth will help you get a clearer picture.

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