Build a mansard loft conversion in EN5 from £51,712

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 £52,560

Last active Oct 26
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Rafix Building

Rafal Szczepanski

Our homes need to be regularly maintained and from time to time they need to be rejuvenated, modernised and enhanced. When it comes to building wor...

From £51,944

Last active Oct 26
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New Finishes

New Finishes is a trusted extension builder serving customers in EN5 and the surrounding area. Contact us to today to get a competitive quote for e...

From £52,208

Last active Oct 26
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Homeland Building Ltd

Homeland Building Ltd is a trusted extension builder serving customers in EN5 and the surrounding area. Contact us to today to get a competitive qu...

From £52,056

Last active Oct 26
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Wittick Building Ltd

Wittick Building Ltd is a trusted extension builder serving customers in EN5 and the surrounding area. Contact us to today to get a competitive quo...

From £52,208

Last active Sep 26
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Roni Lofts Conversions Ltd

Need an Extension Builder in EN5? Roni Lofts Conversions Ltd has been helping local clients (10 mile radius) with their extension buildering jobs f...

From £52,432

Last active Aug 26
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Odp Builders

Need an Extension Builder in EN5? Odp Builders has been helping local clients (5 mile radius) with their extension buildering jobs for many years. ...

From £51,712

Last active Jul 26
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J&K Expert Building Services

Jacek Pobiedzinski

Location

Barnet, EN5

Right people 

From £52,288

Last active Jul 26
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D.J Coyle & Co.Ltd

Trusted and professional extension builder in EN5. Experienced in all extension buildering work and keeping within budget and on quote. D.J Coyle &...

From £51,920

Last active Jun 26
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WOODVALLEY BUILDERS LTD

Location

High Barnet, EN5

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

WOODVALLEY BUILDERS LTD provides a local, trusted extens...

From £52,032

Last active Jun 26
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A Sparky Technical Building Services

Relax... you have found a reliable extension builder in EN5. A Sparky Technical Building Services is a friendly and reliable company based in EN5 w...

Mansard loft conversion cost in EN5

Estimates for build a mansard loft conversion near EN5

Mansard loft conversions range from the cheapest installation of £51,712 (J&K Expert Building Services based in EN5) to the dearest of around £52,560 (Rafix Building based in EN4).

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 EN5 by posting a job with HaMuch and we'll send it to extension builders in EN5. 


Estimates for common extension builder jobs in EN5;

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...