RSJ cost in SS17

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in SS17 it ranges from £2,128 (SC SMITH BUILDING CONTRACTORS based in RM16) to £2,560 (Ellis & James Builders Limited based in SS17).

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 SS17 by posting a job with HaMuch and we will send it to extension builders in SS17.

"RSJ installation across a 5 metre section of rear wall." - CHAFFORD HUNDRED, job posted 28/07/25

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Location in UK	Hourly Rate	Daily Rate
Install An RSJ near Stanford-le-Hope	£40	£254
Install An RSJ near Thurrock	£41	£260
Install An RSJ near Basildon	£39	£251
Install An RSJ near Chafford Hundred	£41	£261
Install An RSJ near Grays	£41	£261
Install An RSJ near Canvey Island	£39	£256
Install An RSJ near Gravesend	£40	£260
Install An RSJ near South Ockendon	£42	£264
Install An RSJ near Northfleet	£41	£261
Install An RSJ near Billericay	£38	£248

Estimates for common extension builder jobs in SS17;

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.