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 £2,264

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Croft-Hill Building & Joinery

Croft-Hill Building & Joinery is a trusted extension builder serving customers in DL15 and the surrounding area. Contact us to today to get a compe...

From £2,168

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D. Simpson Roof Rite Services

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

From £2,240

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SBC (BUILDERS) LIMITED

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

SBC (BUILDERS) LIMITED provides a local, trusted extensi...

RSJ cost in DL15

Estimates for install an rsj near DL15

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in DL15 it ranges from £2,168 (D. Simpson Roof Rite Services based in DL14) to £2,264 (Croft-Hill Building & Joinery based in DL15).

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 DL15 by posting a job with HaMuch and we will send it to extension builders in DL15.


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Estimates for common extension builder jobs in DL15;

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...