Build a mansard loft conversion in Old Broad Street from £51,976

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 £52,192

Last active Nov 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 £52,376

Last active Nov 26
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Exquisite Design & Build Ltd

Need an Extension Builder in Old Broad Street? Exquisite Design & Build Ltd has been helping local clients (5 mile radius) with their extension bui...

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
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London Trowel Co.

Relax... you have found a reliable extension builder in Old Broad Street. London Trowel Co. is a friendly and reliable company based in Old Broad S...

From £52,208

Last active Oct 26
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Thermodynamic Building Services Ltd

Trusted and professional extension builder in Old Broad Street. Experienced in all extension buildering work and keeping within budget and on quote...

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 Old Broad Street. No obligation ...

From £52,376

Last active Sep 26
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CK Constructions & Development Ltd

CK Constructions & Development Ltd is a trusted extension builder serving customers in Old Broad Street and the surrounding area. Contact us to tod...

From £51,976

Last active Sep 26
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A to Z Builders Ltd

A to Z Builders Ltd are here to help customers who need an Extension Builder in Old Broad Street. We offer a competitive rate to complete all your ...

From £52,248

Last active Sep 26
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Cornerstones Construction

Experienced extension builder ready to quote for your work. Cornerstones Construction is the best extension builder in Old Broad Street. No obligat...

From £51,984

Last active Sep 26
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JK Doors

JK Doors is a trusted extension builder serving customers in Old Broad Street and the surrounding area. Contact us to today to get a competitive qu...

Mansard loft conversion cost in Old Broad Street

Estimates for build a mansard loft conversion near Old Broad Street

Mansard loft conversions range from the cheapest installation of £51,976 (A to Z Builders Ltd based in SW1P) to the dearest of around £52,376 (Exquisite Design & Build Ltd based in SE16).

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


Estimates for common extension builder jobs in Old Broad Street;

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...