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 £2,136

Last active Sep 26
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Building Craft Ltd

Building Craft Ltd is an established extension buildering business in SR4. We come highly recommended and provide competitive quotes for your work....

From £2,184

Last active Sep 26
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COUSINS BUILDG & RFING SRV LTD

Ian

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

From £5,192

Last active Jul 26
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David Robertson builders

David Robertson

Trusted and professional extension builder in SR4. Experienced in all extension buildering work and keeping within budget and on quote. David Robe...

From £2,112

Last active Mar 26
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STEVE MULVANEY BUILDING

STEVE MULVANEY BUILDING are here to help customers who need an Extension Builder in SR4. We offer a competitive rate to complete all your extension...

From £3,080

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John Barrett Joiner Builder

John Barrett

Established 1983 . For more info visit web site please . Worked in industry for over 40 years. 

From £2,112

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Home Grown NE

Our building services company Home Grown NE has been providing professional, trustworthy building services to customers throughout the North-East f...

RSJ cost in SR4

Estimates for install an rsj near SR4

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in SR4 it ranges from £2,112 (STEVE MULVANEY BUILDING based in SR2) to £5,192 (David Robertson builders based in Sr4).

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 SR4 by posting a job with HaMuch and we will send it to extension builders in SR4.

"RSJ installation" - SUNDERLAND, job posted 01/01/70


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Estimates for common extension builder jobs in SR4;

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...