Build a mansard loft conversion in SM4 from £51,936

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 £52,176

Rates verified Oct 26
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Self employed

Hamza Elezi

Hight quality of jobs

From £52,128

Last active Oct 26
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J & D Construction

Trusted and professional extension builder in SM4. Experienced in all extension buildering work and keeping within budget and on quote. J & D Const...

From £52,416

Last active Oct 26
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ACE BUILDING CONTRACTORS AND D

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

From £52,504

Last active Oct 26
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CSJ Building Services

Trusted and professional extension builder in SM4. Experienced in all extension buildering work and keeping within budget and on quote. CSJ Buildin...

From £51,936

Last active Oct 26
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Masters Property Services

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

From £52,064

Last active Aug 26
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You Nailed It Ltd

At You Nailed It Ltd we have been fitting bespoke bathrooms since 2008.It is a well-known fact that bathrooms sell houses. They also add a ...

From £52,240

Last active Aug 26
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Flanagan Construction Ltd

Tom Flanagan

Location

Morden, SM4

Very experienced Builder in this area ,Epsom Sutton  Raynes pk Wimbledon areas mostly now on recommendation usually also supply Drawings&a Structu...

From £52,168

Last active Jun 26
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TTG CONSTRUCTION LTD

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

From £52,248

Last active Jun 26
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Racsel Building Services Ltd

Trusted and professional extension builder in SM4. Experienced in all extension buildering work and keeping within budget and on quote. Racsel Buil...

From £52,360

Last active Jun 26
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TRITON BUILDING RESTN LTD

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 SM4

Estimates for build a mansard loft conversion near SM4

Mansard loft conversions range from the cheapest installation of £51,936 (Masters Property Services based in SM5) to the dearest of around £52,504 (CSJ Building Services based in SM1).

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 SM4 by posting a job with HaMuch and we'll send it to extension builders in SM4. 


Estimates for common extension builder jobs in SM4;

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...