Cost to fit an RSJ in W13

RSJ cost in W13

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in W13 it ranges from £2,096 (RAF Construction Solutions based in TW8) to £2,624 (LALI BUILDERS based in NW10).

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 W13 by posting a job with HaMuch and we will send it to extension builders in W13.

"UC beam install 2.5m only (calculations done, building control notification done, no pretty boxing etc.)" - TW8, job posted 03/09/26

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Borough in London
Install An RSJ in West Ealing
Install An RSJ in Hanwell
Install An RSJ in Ealing
Install An RSJ in Brentford
Install An RSJ in Greenford
Install An RSJ in Acton
Install An RSJ in Southall
Install An RSJ in Sudbury
Install An RSJ in Southall
Install An RSJ in Osterley

Estimates for common extension builder jobs in W13;

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.