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What is the average price guide for building in Swansea?

United KingdomAsked 2026-04-1834 views1 answers98 total votes

What is the average price guide for building in Swansea?

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Helen CrossBuilding Specialist · 17 yrs
2026-03-19

When considering building projects in Swansea, average costs can vary significantly based on the type of work. For a house extension, you can expect to pay between £1,500 and £2,500 per square metre. A typical single-storey extension of around 20 square metres could cost between £30,000 and £50,000. If you are looking at a loft conversion, the price generally ranges from £20,000 to £45,000, depending on the complexity and whether you require planning permission. Garage conversions typically fall between £10,000 and £20,000, which can be an economical way to add living space. It’s essential to hire certified professionals, such as those registered with NICEIC or FMB, to ensure quality and compliance with local building regulations. Keep in mind that pricing can vary based on specific requirements and design choices.

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