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 £2,064

Last active Nov 26
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RJC BUILDING SERVICES

Need an Extension Builder in DA14? RJC BUILDING SERVICES has been helping local clients (10 mile radius) with their extension buildering jobs for m...

From £2,200

Last active Nov 26
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NA Brickwork

Experienced extension builder ready to quote for your work. NA Brickwork is the best extension builder in DA14. No obligation free quotes and many ...

From £2,312

Last active Nov 26
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Master Builders

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

Master Builders provides a local, trusted extension buil...

From £2,552

Last active Oct 26
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R Tredget & Son

R Tredget & Son are here to help customers who need an Extension Builder in DA14. We offer a competitive rate to complete all your extension builde...

From £2,240

Last active Sep 26
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Pro-Tec Roofing & Building Services Ltd

Pro-Tec Roofing & Building Services Ltd is an established and experienced local extension builder in DA14. Please contact us for a free, no obligat...

From £2,600

Last active Apr 26
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May & Sons Building Solutions Limited

Our building services company May & Sons Building Solutions Limited is a family-run business established in 2019. Since then we have been helping c...

From £2,512

Last active Apr 26
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Direct Roofing

Direct Roofing is an established and experienced local extension builder in DA14. Please contact us for a free, no obligation quote and competitive...

From £2,128

Last active Apr 26
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PARAMOUNT CONSTRUCTION (UK)

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

From £2,200

Last active Apr 26
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Self employer

Darius Kudzevicius

Trusted and professional extension builder in DA14. Experienced in all extension buildering work and keeping within budget and on quote. Self emplo...

From £2,256

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Sunny Build Ltd

Sunny Build Ltd is an established and experienced local extension builder in DA14. Please contact us for a free, no obligation quote and competitiv...

RSJ cost in DA14

Estimates for install an rsj near DA14

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in DA14 it ranges from £2,064 (RJC BUILDING SERVICES based in BR5) to £2,600 (May & Sons Building Solutions Limited based in BR7).

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 DA14 by posting a job with HaMuch and we will send it to extension builders in DA14.


Estimates for common extension builder jobs in DA14;

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...