Build a mansard loft conversion in Bethnal Green from £52,024

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 £52,376

Last active Nov 26
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Exquisite Design & Build Ltd

Need an Extension Builder in Bethnal Green? Exquisite Design & Build Ltd has been helping local clients (5 mile radius) with their extension builde...

From £52,256

Last active Nov 26
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P R Building

P R Building is a trusted extension builder serving customers in Bethnal Green and the surrounding area. Contact us to today to get a competitive q...

From £52,248

Last active Nov 26
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Bspec Ltd

Mick Singh

At Building Services Contractors we pride ourselves on an efficient and friendly service, and strive to achieve 100% customer satisfaction.

From £52,024

Last active Nov 26
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SH Enterprise

Need the extension buildering job done quickly without breaking the bank? SH Enterprise offer fast, reliable, and affordable extension buildering s...

From £52,192

Last active Oct 26

1 review

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Torrington

Torrington Design

NIECEIC / NAAPIT GASSAFE WATER REGULATIONS We offer services towards completion of high end construction projects to dis...

"Did callout made safe my elctrical work thanks" - reviewed 16/05/23, REECYRUSSO

From £52,208

Last active Oct 26
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GNB Construction Builders Ltd

Trusted and professional extension builder in Bethnal Green. Experienced in all extension buildering work and keeping within budget and on quote. G...

From £52,400

Last active Oct 26
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Five Star Builder

Experienced extension builder ready to quote for your work. Five Star Builder is the best extension builder in Bethnal Green. No obligation free qu...

From £52,192

Last active Oct 26
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London Trowel Co.

Relax... you have found a reliable extension builder in Bethnal Green. London Trowel Co. is a friendly and reliable company based in Bethnal Green ...

From £52,208

Last active Oct 26
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Thermodynamic Building Services Ltd

Trusted and professional extension builder in Bethnal Green. Experienced in all extension buildering work and keeping within budget and on quote. T...

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 Bethnal Green. No obligation fre...

Mansard loft conversion cost in Bethnal Green

Estimates for build a mansard loft conversion near Bethnal Green

Mansard loft conversions range from the cheapest installation of £52,024 (SH Enterprise based in EC1V) to the dearest of around £52,400 (Five Star Builder based in N16).

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


Estimates for common extension builder jobs in Bethnal Green;

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...