Build a mansard loft conversion in E3 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 £52,208

Last active Oct 26
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GNB Construction Builders Ltd

Trusted and professional extension builder in E3. Experienced in all extension buildering work and keeping within budget and on quote. GNB Construc...

From £52,072

Last active Oct 26
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Glenward Builders Ltd

Experienced extension builder ready to quote for your work. Glenward Builders Ltd is the best extension builder in E3. No obligation free quotes an...

From £52,256

Last active Aug 26
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KAROL OMILIAN BUILDING SERVICE

KAROL OMILIAN BUILDING SERVICE is a trusted extension builder serving customers in E3 and the surrounding area. Contact us to today to get a compet...

From £51,904

Last active Aug 26
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ALRIMO CONSTRUCTION LTD

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

From £52,320

Last active Jul 26
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Renobuild Group

Daniel Dixon

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

Renobuild Group provides a local, trusted extension buil...

From £52,264

Last active May 26
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Andy Tunmer Building Services

Andy Tunmer Building Services is an established and experienced local extension builder in E3. Please contact us for a free, no obligation quote an...

From £52,192

Last active May 26
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Carland Builders Ltd

Carland Builders Ltd are here to help customers who need an Extension Builder in E3. We offer a competitive rate to complete all your extension bui...

From £52,320

Last active Apr 26
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Carbin Canopy

Relax... you have found a reliable extension builder in E3. Carbin Canopy is a friendly and reliable company based in E3 who consider no job as too...

From £52,448

Last active Mar 26
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House Proud Construction & Design

At House Proud Construction we fit bespoke bathrooms for discerning customers in East London and the surrounding area.It is a well-known fa...

From £52,216

Last active Jan 26
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AB Building Maintainance

Trusted and professional extension builder in E3. Experienced in all extension buildering work and keeping within budget and on quote. AB Building ...

Mansard loft conversion cost in E3

Estimates for build a mansard loft conversion near E3

Mansard loft conversions range from the cheapest installation of £51,904 (ALRIMO CONSTRUCTION LTD based in E15) to the dearest of around £52,448 (House Proud Construction & Design based in E9).

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 E3 by posting a job with HaMuch and we'll send it to extension builders in E3. 


Estimates for common extension builder jobs in E3;

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...