Build a mansard loft conversion in Wales from £51,608

Mansard loft conversions are ideal if you want to maximise the space in your home. Extending your roof out into a flat roof with an almost vertical wall, they almost always require planning permission but can add significant value to your home. To see prices and availability for your job click green button.

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From £51,616

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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 £51,608

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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...

Mansard loft conversion cost in Wales

Estimates for build a mansard loft conversion near Wales

Mansard loft conversions range from the cheapest installation of £51,608 (SP Coupland Ltd based in SY25) to the dearest of around £51,616 (DRAGON CONSTRUCTION T/A based in SY25).

While these estimates give you a good idea how much you'll pay for a mansard loft conversion, the only way to get an accurate price is to get real quotes from real builders.

Get quotes to install a mansard loft conversion in Wales by posting a job with HaMuch and we'll send it to extension builders in Wales. 


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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