Find a builder to make your building structurally sound

RSJs support your new extension or other construction to ensure that your property is structurally sound. They are crucial parts of your building work that mustn't be ignored, and must be installed by a professional.  To see prices and availability for your job click green button.

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From £2,600

Rates verified Oct 26
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SC General Builders Ltd

SC General Builders Ltd are here to help customers who need an Extension Builder in Clayhill. We offer a competitive rate to complete all your exte...

From £2,912

Last active Nov 26
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Render

Experienced extension builder ready to quote for your work. Render is the best extension builder in Clayhill. No obligation free quotes and many ha...

From £2,600

Last active Nov 26
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Decorating Building Service

Decorating Building Service are here to help customers who need an Extension Builder in Clayhill. We offer a competitive rate to complete all your ...

From £2,376

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Fedora and sons Ltd

MIHAI Martolea

Member since September 2026

Fedora and sons Ltd is a trusted extension builder serving customers in Clayhill and the surrounding area. Contact us to today to get a competitive...

From £2,456

Last active Oct 26
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ESK Builders

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

ESK Builders provides a local, trusted extension builder...

From £2,624

Last active Oct 26
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Nouvell Decor

Mark Garnett

Nouvell Decor is a trusted extension builder serving customers in Clayhill and the surrounding area. Contact us to today to get a competitive quote...

From £2,512

Last active Oct 26
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Guven Buildings LTD

Hikmet Guven

skilled worker who specializes in completing a wide range of building and renovation projects

From £2,528

Last active Oct 26
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MD Building & Project Management Ltd

Need an Extension Builder in Clayhill? MD Building & Project Management Ltd has been helping local clients (10 mile radius) with their extension bu...

From £2,384

Last active Oct 26
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Anji Construction

Need the extension buildering job done quickly without breaking the bank? Anji Construction offer fast, reliable, and affordable extension builderi...

From £2,352

Last active Oct 26
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UK Drywall Ltd

UK Drywall Ltd is an established and experienced local extension builder in Clayhill. Please contact us for a free, no obligation quote and competi...

RSJ cost in Clayhill

Estimates for install an rsj near Clayhill

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Clayhill it ranges from £2,352 (UK Drywall Ltd based in E11) to £2,912 (Render based in IG1).

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

Get rates and quotes to install an RSJ in Clayhill by posting a job with HaMuch and we will send it to extension builders in Clayhill.


Estimates for common extension builder jobs in Clayhill;

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...