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What is the average price guide for building in Guildford?

United KingdomAsked 2026-04-1847 views1 answers82 total votes

What is the average price guide for building in Guildford?

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Helen CrossBuilding Specialist · 13 yrs
2026-03-19

In Guildford, the average costs for building services can vary significantly based on the type of project. For a house extension, you can expect to pay between £1,500 and £2,500 per square metre. This means a typical extension of around 20 square metres could range from £30,000 to £50,000.

For loft conversions, prices typically start at about £25,000 and can go up to £60,000, depending on the complexity and whether you're adding an en-suite bathroom. Likewise, garage conversions usually cost around £10,000 to £20,000, depending on the level of work needed and whether you want to include insulation and heating.

It's essential to hire certified professionals, such as those registered with NICEIC for electrical work or Gas Safe for any heating installations, ensuring safety and compliance with local regulations.

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