Build a mansard loft conversion in Staines-upon-thames from £51,920

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 £51,920

Rates updated Oct 26
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Lp Townsend Brickwork

Lee Townsend

Need to find an Extension Builder near you for all your extension buildering work?

Lp Townsend Brickwork provides a local, trusted extensio...

From £52,408

Last active Nov 26
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Brick House Builders Ltd

Jatinder Kahlon

Hi, I’m Jatinder. I’m a qualified electrician and gas safe registered professional with 10 years of experience in the trade. We specialise in l...

From £52,248

Last active Oct 26
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Slick Construction Ltd

Need to find an Extension Builder near you for all your extension buildering work?

Slick Construction Ltd provides a local, trusted extensi...

From £52,312

Last active Oct 26
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Luxuria Property Ltd

From 2007 – 2015 David Rudelhoff (Founder and Director) was the Property Manager for a high profile, high net worth family. During that time, in ...

From £52,136

Last active Oct 26
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A L King Services

Experienced extension builder ready to quote for your work. A L King Services is the best extension builder in Staines-upon-thames. No obligation f...

From £52,472

Last active Oct 26
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ASAP Roofing & Exterior Maintenance

ASAP Roofing & Exterior Maintenance is a trusted extension builder serving customers in Staines-upon-thames and the surrounding area. Contact us to...

From £52,360

Last active Oct 26
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Ani Mokashi

Ani Mokashi is an established and experienced local extension builder in Staines-upon-thames. Please contact us for a free, no obligation quote and...

From £52,440

Last active Oct 26
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GDC Design & Build

Lead by designer Richard Gordon, GDC is a London and Berkshire based Design & Build firm with a vast amount of experience in both the residential a...

From £51,952

Last active Oct 26
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Dub Solutions

Dub Solutions is a trusted extension builder serving customers in Staines-upon-thames and the surrounding area. Contact us to today to get a compet...

From £52,152

Last active Oct 26
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Hawaii Ltd

Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

Mansard loft conversion cost in Staines-upon-thames

Estimates for build a mansard loft conversion near Staines-upon-thames

Mansard loft conversions range from the cheapest installation of £51,920 (Lp Townsend Brickwork based in SL2) to the dearest of around £52,472 (ASAP Roofing & Exterior Maintenance based in SL5).

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 Staines-upon-thames by posting a job with HaMuch and we'll send it to extension builders in Staines-upon-thames. 


Estimates for common extension builder jobs in Staines-upon-thames;

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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