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 £2,064

Last active Aug 26
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Harvie Construction

Harvie Construction is an established and experienced local extension builder in WF9. Please contact us for a free, no obligation quote and competi...

From £2,232

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C&S BUILDERS

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

RSJ cost in WF9

Estimates for install an rsj near WF9

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in WF9 it ranges from £2,064 (Harvie Construction based in S72) to £2,232 (C&S BUILDERS based in WF7).

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 WF9 by posting a job with HaMuch and we will send it to extension builders in WF9.


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Get extension builder rates instantly (excluding VAT or callout charges)
Location in UKHourly RateDaily Rate
Install An RSJ near Pontefract£30£228
Install An RSJ near Barnsley£31£242
Install An RSJ near Normanton£30£233
Install An RSJ near Castleford£30£225
Install An RSJ near Wakefield£31£240
Install An RSJ near Doncaster£29£238
Install An RSJ near Rothwell£30£230
Install An RSJ near Ossett£33£245
Install An RSJ near Rotherham£32£257
Install An RSJ near Wickersley£32£258

Estimates for common extension builder jobs in WF9;

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...