Build a mansard loft conversion in TW9 from £51,896

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 £52,192

Last active Oct 26
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AG-Renovation Ltd

Location

Kew, TW9

AG-Renovation Ltd is a trusted extension builder serving customers in TW9 and the surrounding area. Contact us to today to get a competitive quote ...

From £51,904

Last active Sep 26
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Elite Construction London Ltd

Elite Construction London Ltd

Elite Construction London Ltd has been one of the top providers of building and remodeling services in London for more than ten years.Our goal is ...

From £52,416

Last active Sep 26
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Andy Harris Construction

Andy Harris

Location

Kew, TW9

Andy Harris Construction is an established and experienced local extension builder in TW9. Please contact us for a free, no obligation quote and co...

From £52,392

Last active Sep 26
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BUILDING ANGELS LTD

BUILDING ANGELS LTD is an established extension buildering business in TW9. We come highly recommended and provide competitive quotes for your work...

From £52,344

Last active Sep 26
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Kacmar Building Service

Trusted and professional extension builder in TW9. Experienced in all extension buildering work and keeping within budget and on quote. Kacmar Buil...

From £51,896

Last active Sep 26
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RAF Construction Solutions

RAF Construction Solutions is an established and experienced local extension builder in TW9. Please contact us for a free, no obligation quote and ...

From £51,968

Last active Aug 26
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Embury Building Services Ltd

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

Embury Building Services Ltd provides a local, trusted e...

From £51,928

Last active Apr 26
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True Linear

True Linear

Relax... you have found a reliable extension builder in TW9. True Linear is a friendly and reliable company based in TW9 who consider no job as too...

From £52,152

Last active Mar 26
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Pearl Valley Construction Services

Pearl Valley Construction Services is an established extension buildering business in TW9. We come highly recommended and provide competitive quote...

From £52,448

Last active Mar 26
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RAID Architecture

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 TW9

Estimates for build a mansard loft conversion near TW9

Mansard loft conversions range from the cheapest installation of £51,896 (RAF Construction Solutions based in TW8) to the dearest of around £52,448 (RAID Architecture based in TW8).

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 TW9 by posting a job with HaMuch and we'll send it to extension builders in TW9. 


Estimates for common extension builder jobs in TW9;

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...