Build a mansard loft conversion in TW11 from £51,896

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 £52,416

Last active Oct 26
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TFC Construction

Trusted and professional extension builder in TW11. Experienced in all extension buildering work and keeping within budget and on quote. TFC Constr...

From £51,896

Last active Oct 26
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Tota Builders

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

From £52,448

Last active Aug 26
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Power Bespoke Building Limited

Power Bespoke Building Limited is an established extension buildering business in TW11. We come highly recommended and provide competitive quotes f...

From £52,280

Last active May 26
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D GAFFNEY D G BUILDERS & CO

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

D GAFFNEY D G BUILDERS & CO provides a local, trusted ex...

From £52,352

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SURREY BUILDING SOLUTIONS

SURREY BUILDING SOLUTIONS are here to help customers who need an Extension Builder in TW11. We offer a competitive rate to complete all your extens...

From £51,904

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Masterbuild & Design Ltd

Masterbuild & Design Ltd is an established and experienced local extension builder in TW11. Please contact us for a free, no obligation quote and c...

From £51,896

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Professional Roofing & Guttering Services

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

Professional Roofing & Guttering Services provides a loc...

From £52,144

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Sterling Building Contracts Li

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

Sterling Building Contracts Li provides a local, trusted...

From £51,976

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Blue Ribbon Construction

Trusted and professional extension builder in TW11. Experienced in all extension buildering work and keeping within budget and on quote. Blue Ribbo...

From £52,328

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ADAMSKI CONSTRUCTION LTD

Need an Extension Builder in TW11? ADAMSKI CONSTRUCTION LTD has been helping local clients (10 mile radius) with their extension buildering jobs fo...

Mansard loft conversion cost in TW11

Estimates for build a mansard loft conversion near TW11

Mansard loft conversions range from the cheapest installation of £51,896 (Tota Builders based in TW2) to the dearest of around £52,448 (Power Bespoke Building Limited based in TW12).

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 TW11 by posting a job with HaMuch and we'll send it to extension builders in TW11. 


Estimates for common extension builder jobs in TW11;

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...