Build a mansard loft conversion in RM9 from £51,960

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 £52,032

Last active Nov 26
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Major Building Contractors Ltd

Relax... you have found a reliable extension builder in RM9. Major Building Contractors Ltd is a friendly and reliable company based in RM9 who con...

From £52,400

Last active Nov 26
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Decorating Building Service

Decorating Building Service are here to help customers who need an Extension Builder in RM9. We offer a competitive rate to complete all your exten...

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 £52,328

Last active Nov 26
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Tony Rutter

Need an Extension Builder in RM9? Tony Rutter has been helping local clients (10 mile radius) with their extension buildering jobs for many years. ...

From £52,168

Last active Nov 26
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Sevcan Construction

Relax... you have found a reliable extension builder in RM9. Sevcan Construction is a friendly and reliable company based in RM9 who consider no jo...

From £52,368

Last active Oct 26
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MONOLITH CONSTRUCTION LTD

Location

Becontree, RM9

Need an Extension Builder in RM9? MONOLITH CONSTRUCTION LTD has been helping local clients (10 mile radius) with their extension buildering jobs fo...

From £52,344

Last active Oct 26
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Buildem Ltd

Buildem Ltd is a trusted extension builder serving customers in RM9 and the surrounding area. Contact us to today to get a competitive quote for ex...

From £51,968

Last active Sep 26
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B J CULLEN BUILDERS

B J CULLEN BUILDERS are here to help customers who need an Extension Builder in RM9. We offer a competitive rate to complete all your extension bui...

From £51,960

Last active Aug 26
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KLR Shopfitters

KLR Shopfitters

Location

RM82R

KLR Shopfitters supplies and fits modern aluminium shopfronts designed for strength, clarity, and long-lasting performance. Our service covers the ...

Mansard loft conversion cost in RM9

Estimates for build a mansard loft conversion near RM9

Mansard loft conversions range from the cheapest installation of £51,960 (KLR Shopfitters based in RM82R) to the dearest of around £52,400 (Decorating Building Service based in IG3).

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 RM9 by posting a job with HaMuch and we'll send it to extension builders in RM9. 


Estimates for common extension builder jobs in RM9;

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...