Convert your basement in Covent Garden 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 £39,660

Last active Nov 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 £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 £37,230

Last active Nov 26
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SLS BUILDERS LIMITED

SLS BUILDERS LIMITED is a trusted extension builder serving customers in Covent Garden and the surrounding area. Contact us to today to get a compe...

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 Covent Garden. First guard Roofing is a friendly and reliable company based in Covent Garde...

From £41,100

Last active Sep 26
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D & G Building & Decorating

Experienced extension builder ready to quote for your work. D & G Building & Decorating is the best extension builder in Covent Garden. No obligati...

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 Covent Garden and the surrounding area. Contact us to today ...

From £37,230

Last active Sep 26
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A to Z Builders Ltd

A to Z Builders Ltd are here to help customers who need an Extension Builder in Covent Garden. We offer a competitive rate to complete all your ext...

From £40,290

Last active Sep 26
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Cornerstones Construction

Experienced extension builder ready to quote for your work. Cornerstones Construction is the best extension builder in Covent Garden. No obligation...

From £37,320

Last active Sep 26
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JK Doors

JK Doors is a trusted extension builder serving customers in Covent Garden and the surrounding area. Contact us to today to get a competitive quote...

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 Covent Garden. Please contact us for a free, no obligation quote and com...

Cheapest builders to convert your basement in Covent Garden

Estimates for convert a basement near Covent Garden

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 Covent Garden by posting a job with HaMuch and we will send it to  extension builders in Covent Garden.

"Basement conversion" - LAMBETH, job posted 05/02/25


Estimates for common extension builder jobs in Covent Garden;

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...