Add an outbuilding to your property in N1 from £9,928

Outbuildings are the perfect way to add extra space to your property when you need a bit of quiet from the main house. Whether it's for a garden office, gym or workshop, an outbuilding can add value to your home and increase your quality of life. To see prices and availability for your job click green button.

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From £10,024

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 £10,192

Last active Oct 26

1 review

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Torrington

Torrington Design

NIECEIC / NAAPIT GASSAFE WATER REGULATIONS We offer services towards completion of high end construction projects to dis...

"Did callout made safe my elctrical work thanks" - reviewed 16/05/23, REECYRUSSO

From £10,192

Last active Oct 26
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London Trowel Co.

Relax... you have found a reliable extension builder in N1. London Trowel Co. is a friendly and reliable company based in N1 who consider no job as...

From £10,208

Last active Oct 26
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Thermodynamic Building Services Ltd

Trusted and professional extension builder in N1. Experienced in all extension buildering work and keeping within budget and on quote. Thermodynami...

From £10,184

Last active Sep 26
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First guard Roofing

Darren Bergin

Relax... you have found a reliable extension builder in N1. First guard Roofing is a friendly and reliable company based in N1 who consider no job ...

From £10,376

Last active Sep 26
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CK Constructions & Development Ltd

CK Constructions & Development Ltd is a trusted extension builder serving customers in N1 and the surrounding area. Contact us to today to get a co...

From £9,928

Last active Sep 26
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GS Fabric Ltd

GS Fabric Ltd is an established and experienced local extension builder in N1. Please contact us for a free, no obligation quote and competitive ra...

From £10,040

Last active Sep 26
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JM Building Services

JM Building Services is a trusted extension builder serving customers in N1 and the surrounding area. Contact us to today to get a competitive quot...

From £9,984

Last active Aug 26
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Andreas Thomas Demetri

Andreas Thomas Demetri is a trusted extension builder serving customers in N1 and the surrounding area. Contact us to today to get a competitive qu...

From £10,216

Last active Aug 26
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Buildwiser

Buildwiser is a trusted extension builder serving customers in N1 and the surrounding area. Contact us to today to get a competitive quote for exte...

Outbuilding cost in N1

Estimates for outbuilding near N1

Outbuilding costs in N1 range from the cheapest of £9,928 (GS Fabric Ltd based in E2) to the dearest of £10,376 (CK Constructions & Development Ltd based in WC1N), but these are just estimates.

Comparing extension builders estimates for building an outbuilding gives you an idea of who will be better value, but the best way to compare costs is to get actual quotes.

Get rates and quotes to build an outbuilding in N1 by posting a job with HaMuch and we will send it to extension builders.


Estimates for common extension builder jobs in N1;

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...