Build a mansard loft conversion in Seven Sisters from £51,528

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 £52,248

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 £53,584

Last active Nov 26
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Propello

Ali Alagoz

Propello is an established and experienced local extension builder in Seven Sisters. Please contact us for a free, no obligation quote and competi...

From £52,192

Last active Nov 26
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SJ Expert Building Services

SJ Expert Building Services are here to help customers who need an Extension Builder in Seven Sisters. We offer a competitive rate to complete all ...

From £51,936

Last active Oct 26
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2nwest Builders and Decorators Ltd

Relax... you have found a reliable extension builder in Seven Sisters. 2nwest Builders and Decorators Ltd is a friendly and reliable company based ...

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 Seven Sisters. No obligation free qu...

From £52,184

Last active Oct 26
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Dakus Construction Ltd

Dakus Construction Ltd are here to help customers who need an Extension Builder in Seven Sisters. We offer a competitive rate to complete all your ...

From £51,528

Last active Oct 26
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Bellator Construction Ltd

Dimitar Vakavliev

We are reliable tradesmen delivering quality works with attention to detail 

From £52,072

Last active Oct 26
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J&H Builder

J&H Builder is a trusted extension builder serving customers in Seven Sisters and the surrounding area. Contact us to today to get a competitive qu...

From £51,920

Last active Oct 26
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MEGABUILD LTD

MEGABUILD LTD is a trusted extension builder serving customers in Seven Sisters and the surrounding area. Contact us to today to get a competitive ...

From £52,048

Last active Oct 26
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John Ghanie

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

Mansard loft conversion cost in Seven Sisters

Estimates for build a mansard loft conversion near Seven Sisters

Mansard loft conversions range from the cheapest installation of £51,528 (Bellator Construction Ltd based in N11) to the dearest of around £53,584 (Propello based in E17).

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


Estimates for common extension builder jobs in Seven Sisters;

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...