Convert your basement in N1 from £36,690

Range from the cheapest Convert a basement £36,690 (GS Fabric Ltd based in E2) to the dearest Convert a basement £41,730 (CK Constructions & Development Ltd based in WC1N). To see prices and availability for your job click green button.

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From £37,770

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 £39,660

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 £39,660

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 £39,840

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 £39,570

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 £41,730

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 £36,690

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 £37,950

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 £37,320

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 £39,930

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...

Cheapest builders to convert your basement in N1

Estimates for convert a basement near N1

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

What to do - Get rates and quotes for the cost to convert a basement in N1 by posting a job with HaMuch and we will send it to  extension builders in N1.


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...