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 £2,312

Last active Nov 26
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WDC LTD T/A

Experienced extension builder ready to quote for your work. WDC LTD T/A is the best extension builder in SS5. No obligation free quotes and many ha...

From £2,208

Last active Nov 26
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Thoroughbuild UK Services Ltd

Frederick Head

Over 35 years experience 

We are Gas Safe registered 

We are Verified

We pride ourselves on great custom...

From £2,152

Last active Aug 26
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CONCORD BUILDERS LIMITED

Need an Extension Builder in SS5? CONCORD BUILDERS LIMITED has been helping local clients (20 mile radius) with their extension buildering jobs for...

From £2,744

Last active Aug 26
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RJA Building & Maintenance Ltd

Rees Ayling

All building related works

From £3,528

Last active Jun 26
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City build.com

Joe Copperthwaite

Trusted and professional extension builder in SS5. Experienced in all extension buildering work and keeping within budget and on quote. City build....

From £2,128

Last active Jun 26
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RAYBRIDGE TOTAL CONSTRUCTION

Need an Extension Builder in SS5? RAYBRIDGE TOTAL CONSTRUCTION has been helping local clients (20 mile radius) with their extension buildering jobs...

From £2,216

Last active Apr 26
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SMH Property Services Ltd

SMH Property Services Ltd are here to help customers who need an Extension Builder in SS5. We offer a competitive rate to complete all your extensi...

From £2,032

Last active Apr 26
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Rubik Homes Ltd

Rubik Homes Ltd is an established extension buildering business in SS5. We come highly recommended and provide competitive quotes for your work.

From £2,160

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J R CONSTRUCTION

Experienced extension builder ready to quote for your work. J R CONSTRUCTION is the best extension builder in SS5. No obligation free quotes and ma...

From £2,216

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Leaf Construction Services Ltd

Lee Harris

Leaf Construction Services Ltd are a construction company who carry out all aspects of building work from the ground up.As a company we...

RSJ cost in SS5

Estimates for install an rsj near SS5

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in SS5 it ranges from £2,032 (Rubik Homes Ltd based in SS9) to £3,528 (City build.com based in Ss5).

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 SS5 by posting a job with HaMuch and we will send it to extension builders in SS5.


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Estimates for common extension builder jobs in SS5;

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...