Convert your basement in B1 from £32,640

Range from the cheapest Convert a basement £32,640 (Bhogal Construction based in B67) to the dearest Convert a basement £37,320 (Atwal Building Services Ltd based in B20). To see prices and availability for your job click green button.

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From £33,900

Last active Nov 26
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K Barrett Roofing LTD

Experienced extension builder ready to quote for your work. K Barrett Roofing LTD is the best extension builder in B1. No obligation free quotes an...

From £37,320

Last active Nov 26
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Atwal Building Services Ltd

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

Atwal Building Services Ltd provides a local, trusted ex...

From £35,970

Last active Nov 26
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LC BUILDING SERVICES

Lloyd Clarke

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

LC BUILDING SERVICES provides a local, trusted extension...

From £37,320

Last active Nov 26
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Brickfast Builders

Brickfast Builders is an established extension buildering business in B1. We come highly recommended and provide competitive quotes for your work.<...

From £34,170

Last active Sep 26
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AJ Home Improvements

AJ Home Improvements is an established extension buildering business in B1. We come highly recommended and provide competitive quotes for your work...

From £32,640

Last active Sep 26
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Bhogal Construction

Trusted and professional extension builder in B1. Experienced in all extension buildering work and keeping within budget and on quote. Bhogal Const...

From £36,600

Last active Nov 25
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x10hosts

Experienced extension builder ready to quote for your work. x10hosts is the best extension builder in B1. No obligation free quotes and many happy ...

From £35,880

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HSS CONSTRUCTION LTD

HSS CONSTRUCTION LTD are here to help customers who need an Extension Builder in B1. We offer a competitive rate to complete all your extension bui...

From £34,080

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BellTrim Wood Products

Need an Extension Builder in B1? BellTrim Wood Products has been helping local clients (20 mile radius) with their extension buildering jobs for ma...

From £35,430

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Chadha Constructions Limited

Our building services company Chadha Constructions Limited was established in March 2021, but have been providing professional, trustworthy buildin...

Cheapest builders to convert your basement in B1

Estimates for convert a basement near B1

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 B1 by posting a job with HaMuch and we will send it to  extension builders in B1.

"House kitchen Extension" - BIRMINGHAM, job posted 01/01/70

"Basement conversion" - HARBORNE, job posted 05/06/26


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Estimates for common extension builder jobs in B1;

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...