Cost to fit an RSJ in E5

RSJ cost in E5

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in E5 it ranges from £2,128 (GS Fabric Ltd based in E2) to £5,200 (Gardening Life Ltd based in E10).

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 E5 by posting a job with HaMuch and we will send it to extension builders in E5.

"RSJ re-installation" - N16, job posted 04/10/25

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Borough in London
Install An RSJ in Clapton
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Estimates for common extension builder jobs in E5;

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.