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 £1,712

Last active Oct 26
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N W Doyle & Son

N W Doyle & Son is a trusted extension builder serving customers in Castlewellan and the surrounding area. Contact us to today to get a competitive...

RSJ cost in Castlewellan

Estimates for install an rsj near Castlewellan

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Castlewellan it ranges from £1,712 (N W Doyle & Son based in BT24) to £1,712 (N W Doyle & Son based in BT24).

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


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Estimates for common extension builder jobs in Castlewellan;

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...