Build a mansard loft conversion in Herne Hill from £51,984

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 £52,184

Last active Nov 26
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QA's Pointing and Brick Repair

QA's Pointing Brick Repair

Relax... you have found a reliable extension builder in Herne Hill. QA's Pointing and Brick Repair is a friendly and reliable company based in Hern...

From £53,024

Last active Oct 26
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Buci builders ltd

Robert Buci

Buci builders ltd is a trusted extension builder serving customers in Herne Hill and the surrounding area. Contact us to today to get a competitive...

From £51,984

Last active Oct 26

2 reviews

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RCB Group Design & Build

Vasi J

No Call out charges! 

All Jobs Fully Insured and Guaranteed !!!

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"I am very pleased with the work carried out. All very clear and transparent." - ROMFORD,reviewed 10/01/18, KELLY

From £52,040

Last active Oct 26
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PW Construction & Renovation Ltd

PW Construction & Renovation Ltd is a trusted extension builder serving customers in Herne Hill and the surrounding area. Contact us to today to ge...

From £52,056

Last active Oct 26
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The Perfectionist

Experienced extension builder ready to quote for your work. The Perfectionist is the best extension builder in Herne Hill. No obligation free quote...

From £52,320

Last active Sep 26
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D & G Building & Decorating

Experienced extension builder ready to quote for your work. D & G Building & Decorating is the best extension builder in Herne Hill. No obligation ...

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 Herne Hill. No obligation fr...

From £52,336

Last active Sep 26
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PRM BUILDING

Relax... you have found a reliable extension builder in Herne Hill. PRM BUILDING is a friendly and reliable company based in Herne Hill who conside...

From £52,016

Last active Sep 26
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Local Building Services

Trusted and professional extension builder in Herne Hill. Experienced in all extension buildering work and keeping within budget and on quote. Loca...

From £52,208

Last active Sep 26
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Vidanov Building Services

Trusted and professional extension builder in Herne Hill. Experienced in all extension buildering work and keeping within budget and on quote. Vida...

Mansard loft conversion cost in Herne Hill

Estimates for build a mansard loft conversion near Herne Hill

Mansard loft conversions range from the cheapest installation of £51,984 (RCB Group Design & Build based in SE21) to the dearest of around £53,024 (Buci builders ltd based in SE27).

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


Estimates for common extension builder jobs in Herne Hill;

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...