Build a mansard loft conversion in Thames Ditton 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 £52,800

Rates updated Oct 26
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GDW Construction

Relax... you have found a reliable extension builder in Thames Ditton. GDW Construction is a friendly and reliable company based in Thames Ditton w...

From £52,800

Rates updated Oct 26
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OAK HOUSE BESPOKE BUILDERS

Need to find an Extension Builder near you for all your extension buildering work?

OAK HOUSE BESPOKE BUILDERS provides a local, trusted ext...

From £52,176

Rates verified Oct 26
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Self employed

Hamza Elezi

Hight quality of jobs

From £52,144

Last active Nov 26
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MS BUILDERS

Experienced extension builder ready to quote for your work. MS BUILDERS is the best extension builder in Thames Ditton. No obligation free quotes a...

From £51,976

Last active Nov 26
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R & R Roofing Guildford

Russell Worcester

R & R Roofing Guildford are here to help customers who need an Extension Builder in Thames Ditton. We offer a competitive rate to complete all your...

From £52,200

Last active Nov 26
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CW BUILDING SERVICES

Experienced extension builder ready to quote for your work. CW BUILDING SERVICES is the best extension builder in Thames Ditton. No obligation free...

From £52,416

Last active Nov 26
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Andy Harris Construction

Andy Harris

Andy Harris Construction is an established and experienced local extension builder in Thames Ditton. Please contact us for a free, no obligation qu...

From £52,160

Last active Nov 26
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AVIB City Construction Ltd

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

From £52,408

Last active Nov 26
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Brick House Builders Ltd

Jatinder Kahlon

Hi, I’m Jatinder. I’m a qualified electrician and gas safe registered professional with 10 years of experience in the trade. We specialise in l...

From £52,248

Last active Oct 26
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Slick Construction Ltd

Need to find an Extension Builder near you for all your extension buildering work?

Slick Construction Ltd provides a local, trusted extensi...

Mansard loft conversion cost in Thames Ditton

Estimates for build a mansard loft conversion near Thames Ditton

Mansard loft conversions range from the cheapest installation of £51,976 (R & R Roofing Guildford based in KT14) to the dearest of around £52,800 (GDW Construction based in SM3).

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


Estimates for common extension builder jobs in Thames Ditton;

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...