Build a mansard loft conversion in Chigwell from £51,880

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 £52,120

Rates verified Oct 26
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SDS Constructions

Sean Smithers

Our building services company SDS Constructions has been established for many years and have been providing customers in Dagenham and the surroundi...

From £53,232

Rates verified Oct 26
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Optimus Build Solutions

Vasile Boghean

Optimus Build Solutions delivers exceptional construction services in London and surronding areas. Specializing in bathroom and kitchen refurbishme...

From £52,400

Rates verified Oct 26
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SC General Builders Ltd

SC General Builders Ltd are here to help customers who need an Extension Builder in Chigwell. We offer a competitive rate to complete all your exte...

From £52,080

Last active Nov 26
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ANGLE BUILDERS

ANGLE BUILDERS is an established and experienced local extension builder in Chigwell. Please contact us for a free, no obligation quote and competi...

From £51,880

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Can design and Construction

Erald Kanani

Member since August 2025

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

From £52,224

Last active Nov 26
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Gems Building & Maintenance Services

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

From £53,584

Last active Nov 26
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Propello

Ali Alagoz

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

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 £52,240

Last active Nov 26
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PHOENIX DEVELOPMNTS LONDON LTD

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

From £52,712

Last active Nov 26
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Render

Experienced extension builder ready to quote for your work. Render is the best extension builder in Chigwell. No obligation free quotes and many ha...

Mansard loft conversion cost in Chigwell

Estimates for build a mansard loft conversion near Chigwell

Mansard loft conversions range from the cheapest installation of £51,880 (Can design and Construction based in Ig11) 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 Chigwell by posting a job with HaMuch and we'll send it to extension builders in Chigwell. 


Estimates for common extension builder jobs in Chigwell;

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...