Convert your basement in Henfield from £36,780

Range from the cheapest Convert a basement £36,780 (ACF Carpentry Ltd based in BN15) to the dearest Convert a basement £44,250 (RJ's Carpentry Construction based in RH15). To see prices and availability for your job click green button.

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From £37,770

Rates verified Oct 26
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Ferguson Building Services Limited

Ferguson Building Services Limited is an established and experienced local extension builder in Henfield. Please contact us for a free, no obligati...

From £37,320

Last active Oct 26
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FIRST FORMAT BUILDING

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

FIRST FORMAT BUILDING provides a local, trusted extensio...

From £39,480

Last active Oct 26
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East West Refurbishment Limited

Need an Extension Builder in Henfield? East West Refurbishment Limited has been helping local clients (20 mile radius) with their extension builder...

From £37,410

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H P Building Services Sussex

Member since August 2026

H P Building Services Sussex is a one-stop solution for all your extension buildering needs. Establish over 10 years ago and covering 20 miles arou...

From £40,830

Last active Oct 26
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Proper Copper Design

Proper Copper DesignWe are a design lead copper homeware company specializing in contemporary handles, taps, showers and accessories. Our products ...

From £37,680

Last active Sep 26
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Good Construction (Sussex) Limited

Trusted and professional extension builder in Henfield. Experienced in all extension buildering work and keeping within budget and on quote. Good C...

From £36,780

Last active May 26
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ACF Carpentry Ltd

ACF Carpentry Ltd is an established and experienced local extension builder in Henfield. Please contact us for a free, no obligation quote and comp...

From £44,250

Last active Apr 26
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RJ's Carpentry Construction

Reuben Sargent

Rjscarpentryconstruction is a well established company with over 30 years of experience in the carpentry and construction industries

From £40,560

Last active Apr 26
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JBF Building & Roofing Maintenance Ltd

JBF Building & Roofing Maintenance Ltd is an established and experienced local extension builder in Henfield. Please contact us for a free, no obli...

From £39,840

Last active Apr 26
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Aurabuild

Relax... you have found a reliable extension builder in Henfield. Aurabuild is a friendly and reliable company based in Henfield who consider no jo...

Cheapest builders to convert your basement in Henfield

Estimates for convert a basement near Henfield

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


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Estimates for common extension builder jobs in Henfield;

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...