Build additional living space on your property in Wales

A granny annexe is the ideal solution for offering a young family member their own space in your home while they save up for their own house, or to help an older relative have some independence while keeping them at a safe distance. But how much do they cost to build in Wales? To see prices and availability for your job click green button.

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From £86,616

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DRAGON CONSTRUCTION T/A

Experienced extension builder ready to quote for your work. DRAGON CONSTRUCTION T/A is the best extension builder in Wales. No obligation free quot...

From £86,608

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SP Coupland Ltd

Our building services company SP Coupland Ltd have thirty-eight years’ experience and have been helping customers in Sir Ceredigion and the surro...

Granny Annexe Cost in Wales

Estimates for granny annexe near Wales

Building a granny annexe ranges from £86,608 (SP Coupland Ltd based in SY25) to £86,616 (DRAGON CONSTRUCTION T/A based in SY25), but these are just estimates that can help give you an idea of who will be better value in your area.

The best thing to do is to get quotes to build a granny annexe in Wales by posting a job with HaMuch. We will send it to extension builders in Wales who will be happy to help you.


Estimates for common extension builder jobs in Wales;

Whether you’re looking to extend your kitchen with a side return extension or you want to convert your basement into a liveable space, read our cost guides to get an idea of how much each project costs before getting a more accurate quote from our database of reliable tradespeople.

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