Build a mansard loft conversion in Acton from £51,904

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 £51,904

Last active Nov 26
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V.S.P

V.S.P is a trusted extension builder serving customers in Acton and the surrounding area. Contact us to today to get a competitive quote for extens...

From £52,096

Last active Nov 26
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Mr

Jonathan Rimmer

Experienced extension builder ready to quote for your work. Mr is the best extension builder in Acton. No obligation free quotes and many happy cus...

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 Acton. Please contact us for a free, no obligation quote and ...

From £53,840

Last active Nov 26
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1st & 2nd Fix Vasconstruct

Vas Constructs

RUBBERCOVER™ EPDM Permaroof rubber cover and roof system. Lead flashing. NCTS. Timber Frame Buildings. Refurbish fit out, structural ...

From £52,144

Last active Nov 26
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Khetani Builders (UK) Ltd

Experienced extension builder ready to quote for your work. Khetani Builders (UK) Ltd is the best extension builder in Acton. No obligation free qu...

From £53,616

Last active Oct 26
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GasHeat

Patrick Kelly

Over 20 years experience 

Client focussed and driven 

Personal planning and completion of work

Warranty ...

From £52,360

Last active Oct 26
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M & A UK Ltd

Relax... you have found a reliable extension builder in Acton. M & A UK Ltd is a friendly and reliable company based in Acton who consider no job a...

From £52,192

Last active Oct 26
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AG-Renovation Ltd

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

From £52,424

Last active Oct 26
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LALI BUILDERS

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

From £52,168

Last active Oct 26
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Newpark Construction

Newpark Construction are here to help customers who need an Extension Builder in Acton. We offer a competitive rate to complete all your extension ...

Mansard loft conversion cost in Acton

Estimates for build a mansard loft conversion near Acton

Mansard loft conversions range from the cheapest installation of £51,904 (V.S.P based in NW10) to the dearest of around £53,840 (1st & 2nd Fix Vasconstruct based in W12).

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

"Mansard loft conversion" - SHEPHERD'S BUSH, job posted 01/01/70


Estimates for common extension builder jobs in Acton;

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...