Build a mansard loft conversion in Collier Row from £51,416

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 £53,232

Rates verified Oct 26
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Optimus Build Solutions

Vasile Boghean

Optimus Build Solutions delivers exceptional construction services in London and surronding areas. Specializing in bathroom and kitchen refurbishme...

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 £52,240

Last active Nov 26
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PHOENIX DEVELOPMNTS LONDON LTD

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

From £51,416

Last active Oct 26
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RTC Plumbers

Shaik Jamal

Welcome to RTC Plumbers! With over 15 years of experience, we offer a range of plumbing services from simple repairs to complex installations, each...

From £52,256

Last active Oct 26
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ESK Builders

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

ESK Builders provides a local, trusted extension builder...

From £52,224

Last active Oct 26
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A Star Construction

Relax... you have found a reliable extension builder in Collier Row. A Star Construction is a friendly and reliable company based in Collier Row wh...

From £52,240

Last active Oct 26
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Q Boss D&B

Q Boss D&B is an established extension buildering business in Collier Row. We come highly recommended and provide competitive quotes for your work....

From £52,048

Last active Oct 26
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KERFIELD BUILDING SERVICES LTD

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

KERFIELD BUILDING SERVICES LTD provides a local, trusted...

From £52,384

Last active Oct 26
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Prendi Construction Ltd

Peter Prendi

Prendi Construction Ltd is an established and experienced local extension builder in Collier Row. Please contact us for a free, no obligation quote...

Mansard loft conversion cost in Collier Row

Estimates for build a mansard loft conversion near Collier Row

Mansard loft conversions range from the cheapest installation of £51,416 (RTC Plumbers based in RM6) to the dearest of around £53,232 (Optimus Build Solutions based in Rm1).

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


Estimates for common extension builder jobs in Collier Row;

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...