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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. 

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Install an RSJ cost in SO31

A W PAVING LTD

From £2,392

Trusted and professional extension builder in SO31. Experienced in all extension buildering work and keeping within budget and on quote. A W PAVING...

Stubbs Builders Ltd

From £2,120

We were incorporated in 2015 and have been providing a level of service to our clients that is unparalleled, using knowledge built from 20+ years w...

ROB DINE CONSTRUCTION

From £2,160

ROB DINE CONSTRUCTION is an established and experienced local extension builder in SO31. Please contact us for a free, no obligation quote and comp...

Mobile Services

From £2,320

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

Mobile Services provides a local, trusted extension buil...

Claytons Building and Roofing

From £2,336

Claytons Building and Roofing are here to help customers who need an Extension Builder in SO31. We offer a competitive rate to complete all your ex...

Andy's Building Services

From £2,168

Trusted and professional extension builder in SO31. Experienced in all extension buildering work and keeping within budget and on quote. Andy's Bui...

NICK SMITH BUILDERS

From £1,984

NICK SMITH BUILDERS is an established extension buildering business in SO31. We come highly recommended and provide competitive quotes for your wor...

ITD Builders Ltd

From £2,240

Been in the trade for over 30 yrs and take pride in my work. Fully insured and references both trade and private available

O NEILL CONSTRUCTION LTD

From £2,176

O NEILL CONSTRUCTION LTD is an established extension buildering business in SO31. We come highly recommended and provide competitive quotes for you...

Steve Lovett Builders

From £1,952

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

RSJ cost in SO31

Estimates for install an rsj near SO31

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in SO31 it ranges from £1,952 (Steve Lovett Builders based in SO18) to £2,392 (A W PAVING LTD based in SO31).

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 SO31 by posting a job with HaMuch and we will send it to extension builders in SO31.


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Estimates for common extension builder jobs in SO31;

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...