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 £2,224

Rates verified Oct 26
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Ferguson Building Services Limited

Ferguson Building Services Limited is an established and experienced local extension builder in RH15. Please contact us for a free, no obligation q...

From £2,800

Last active Apr 26
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RJ's Carpentry Construction

Reuben Sargent

Rjscarpentryconstruction is a well established company with over 30 years of experience in the carpentry and construction industries

From £1,984

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Ben Butler Brickwork Ltd

In an unstable market house extensions are often the most viable option, helping you to get the most out of the space you have without the addition...

From £2,264

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JG Brickwork Services Limited

JG Brickwork Services Limited is an established extension buildering business in RH15. We come highly recommended and provide competitive quotes fo...

From £2,008

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Associated Construction

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

From £2,312

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MRA CONSTRUCTION

Experienced extension builder ready to quote for your work. MRA CONSTRUCTION is the best extension builder in RH15. No obligation free quotes and m...

From £1,936

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Atlas Installations

Relax... you have found a reliable extension builder in RH15. Atlas Installations is a friendly and reliable company based in RH15 who consider no ...

From £2,048

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D GARVEY T/A D L C BUILDING

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

From £2,360

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W&S BUILDING CONTRACTORS

Trusted and professional extension builder in RH15. Experienced in all extension buildering work and keeping within budget and on quote. W&S BUILDI...

From £2,560

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TOLLEY CARPENTRY

TOLLEY CARPENTRY is an established extension buildering business in RH15. We come highly recommended and provide competitive quotes for your work.<...

RSJ cost in RH15

Estimates for install an rsj near RH15

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in RH15 it ranges from £1,936 (Atlas Installations based in RH15) to £2,800 (RJ's Carpentry Construction based in RH15).

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 RH15 by posting a job with HaMuch and we will send it to extension builders in RH15.

"RSJ installation" - HAYWARDS HEATH, job posted 01/01/70


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Estimates for common extension builder jobs in RH15;

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...