Build a mansard loft conversion in W5 from £51,904

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 £52,424

Last active Oct 26
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LALI BUILDERS

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

From £52,504

Last active Oct 26
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Ferdas Design & Build Ltd

At Ferdas Design & Build Ltd we have been fitting bespoke bathrooms since 2013. We pride ourselves on being the go-to bathroom fitters for discerni...

From £52,304

Last active Oct 26
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The Diamond Property Service Ltd

Tomasz Pedowicz

Hi we have 15 years of experience in building and construction industry our specialization is bathrooms and renovations please have a look at the w...

From £51,904

Last active Sep 26
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Elite Construction London Ltd

Elite Construction London Ltd

Elite Construction London Ltd has been one of the top providers of building and remodeling services in London for more than ten years.Our goal is ...

From £52,184

Last active Sep 26
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DIAL 1ST CONSTRUCTION LTD

Experienced extension builder ready to quote for your work. DIAL 1ST CONSTRUCTION LTD is the best extension builder in W5. No obligation free quote...

From £51,952

Last active Sep 26
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Global Building & Designs Ltd

Global Building & Designs Ltd is an established and experienced local extension builder in W5. Please contact us for a free, no obligation quote an...

From £52,184

Last active Sep 26
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Vision Refurbishments Ltd.

Mick Shehabi

Vision Refurbishments Ltd. brings over 10 years of experience in building and construction, including interior and exterior renovations, painting, ...

From £52,216

Last active Sep 26
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R Burton & Sons Builders

R Burton & Sons Builders are here to help customers who need an Extension Builder in W5. We offer a competitive rate to complete all your extension...

From £52,136

Last active Sep 26
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Polish Builders Union Ltd

Need an Extension Builder in W5? Polish Builders Union Ltd has been helping local clients (5 mile radius) with their extension buildering jobs for ...

From £52,392

Last active Sep 26
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BUILDING ANGELS LTD

BUILDING ANGELS LTD is an established extension buildering business in W5. We come highly recommended and provide competitive quotes for your work....

Mansard loft conversion cost in W5

Estimates for build a mansard loft conversion near W5

Mansard loft conversions range from the cheapest installation of £51,904 (Elite Construction London Ltd based in TW8) to the dearest of around £52,504 (Ferdas Design & Build Ltd based in W3).

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 W5 by posting a job with HaMuch and we'll send it to extension builders in W5. 


Estimates for common extension builder jobs in W5;

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.

More extensions & conversions cost guides...