Build a mansard loft conversion in N5 from £51,928

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 £52,024

Last active Nov 26
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SH Enterprise

Need the extension buildering job done quickly without breaking the bank? SH Enterprise offer fast, reliable, and affordable extension buildering s...

From £52,400

Last active Oct 26
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Five Star Builder

Experienced extension builder ready to quote for your work. Five Star Builder is the best extension builder in N5. No obligation free quotes and ma...

From £52,192

Last active Oct 26
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London Trowel Co.

Relax... you have found a reliable extension builder in N5. London Trowel Co. is a friendly and reliable company based in N5 who consider no job as...

From £52,208

Last active Oct 26
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Thermodynamic Building Services Ltd

Trusted and professional extension builder in N5. Experienced in all extension buildering work and keeping within budget and on quote. Thermodynami...

From £52,184

Last active Sep 26
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First guard Roofing

Darren Bergin

Relax... you have found a reliable extension builder in N5. First guard Roofing is a friendly and reliable company based in N5 who consider no job ...

From £51,928

Last active Sep 26
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GS Fabric Ltd

GS Fabric Ltd is an established and experienced local extension builder in N5. Please contact us for a free, no obligation quote and competitive ra...

From £51,984

Last active Aug 26
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Andreas Thomas Demetri

Andreas Thomas Demetri is a trusted extension builder serving customers in N5 and the surrounding area. Contact us to today to get a competitive qu...

From £52,216

Last active Aug 26
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Buildwiser

Buildwiser is a trusted extension builder serving customers in N5 and the surrounding area. Contact us to today to get a competitive quote for exte...

From £52,320

Last active Apr 26
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Carbin Canopy

Relax... you have found a reliable extension builder in N5. Carbin Canopy is a friendly and reliable company based in N5 who consider no job as too...

From £52,192

Last active Mar 26
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Amastic Roofing Building and Scaffolding Services Ltd

Trusted and professional extension builder in N5. Experienced in all extension buildering work and keeping within budget and on quote. Amastic Roof...

Mansard loft conversion cost in N5

Estimates for build a mansard loft conversion near N5

Mansard loft conversions range from the cheapest installation of £51,928 (GS Fabric Ltd based in E2) to the dearest of around £52,400 (Five Star Builder based in N16).

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 N5 by posting a job with HaMuch and we'll send it to extension builders in N5. 


Estimates for common extension builder jobs in N5;

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...