Convert your basement in SM1 from £36,780

Range from the cheapest Convert a basement £36,780 (Masters Property Services based in SM5) to the dearest Convert a basement £46,500 (GDW Construction based in SM3). To see prices and availability for your job click green button.

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From £46,500

Rates updated Oct 26
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GDW Construction

Relax... you have found a reliable extension builder in SM1. GDW Construction is a friendly and reliable company based in SM1 who consider no job a...

From £38,400

Last active Oct 26
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D & R Roofing & Loft Conversions, Building & Design

Relax... you have found a reliable extension builder in SM1. D & R Roofing & Loft Conversions, Building & Design is a friendly and reliable company...

From £40,740

Last active Oct 26
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Hilton building contractors ltd

Hilton building contractors ltd is a trusted extension builder serving customers in SM1 and the surrounding area. Contact us to today to get a comp...

From £39,570

Last active Oct 26
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Amazing Space Design and Build Ltd.

Relax... you have found a reliable extension builder in SM1. Amazing Space Design and Build Ltd. is a friendly and reliable company based in SM1 wh...

From £40,470

Last active Oct 26
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RM Sanwell Roofing

RM Sanwell Roofing is a trusted extension builder serving customers in SM1 and the surrounding area. Contact us to today to get a competitive quote...

From £43,170

Last active Oct 26
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CSJ Building Services

Trusted and professional extension builder in SM1. Experienced in all extension buildering work and keeping within budget and on quote. CSJ Buildin...

From £36,780

Last active Oct 26
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Masters Property Services

Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

From £37,050

Last active Jun 26
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NCN Projects

Experienced extension builder ready to quote for your work. NCN Projects is the best extension builder in SM1. No obligation free quotes and many h...

From £37,950

Last active Jun 26
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SEDGWICK BUILDING SERVICES LLP

SEDGWICK BUILDING SERVICES LLP are here to help customers who need an Extension Builder in SM1. We offer a competitive rate to complete all your ex...

From £39,300

Last active May 26
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REA CONSTRUCTION LTD

REA CONSTRUCTION LTD are here to help customers who need an Extension Builder in SM1. We offer a competitive rate to complete all your extension bu...

Cheapest builders to convert your basement in SM1

Estimates for convert a basement near SM1

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 SM1 by posting a job with HaMuch and we will send it to  extension builders in SM1.


Estimates for common extension builder jobs in SM1;

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...