Cost to fit an RSJ in TW7

RSJ cost in TW7

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in TW7 it ranges from £2,096 (Tota Builders based in TW2) to £2,616 (Andy Harris Construction based in TW9).

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 TW7 by posting a job with HaMuch and we will send it to extension builders in TW7.

"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 Osterley
Install An RSJ in Hounslow
Install An RSJ in Brentford
Install An RSJ in Twickenham
Install An RSJ in Kew
Install An RSJ in Strawberry Hill
Install An RSJ in Ham
Install An RSJ in Heston
Install An RSJ in Whitton
Install An RSJ in Hanwell

Estimates for common extension builder jobs in TW7;

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.