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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. 

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Install an RSJ cost in EC4Y

SDL PKB

From £2,192

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

Elite Building

From £2,544

Elite Building is an established extension buildering business in EC4Y. We come highly recommended and provide competitive quotes for your work.

Elite Building

From £2,688

Elite Building And Heating was founded by Davinder Dhanda in 2018. Based in Central London, Davinder Worked on Construction sites since the age of ...

Flow Property Services

From £2,456

Need an Extension Builder in EC4Y? Flow Property Services has been helping local clients (5 mile radius) with their extension buildering jobs for m...

SCANDIIN

From £2,304

SCANDIIN is an established and experienced local extension builder in EC4Y. Please contact us for a free, no obligation quote and competitive rates...

Oxford West

From £2,472

Experienced extension builder ready to quote for your work. Oxford West is the best extension builder in EC4Y. No obligation free quotes and many h...

Kovacs Construction Ltd

From £2,120

Experienced extension builder ready to quote for your work. Kovacs Construction Ltd is the best extension builder in EC4Y. No obligation free quote...

Kovacs Construction Ltd

From £2,472

At Kovacs Construction, you can rely on our talented builders and engineers to deliver unrivalled building services solutions. Let us show you our ...

Londoner Building Ltd.

From £2,592

We have the experience and knowledge to carry out any project, big or small. Our team of experts thoroughly plan the budget and manage your projec...

Andrew Penny Construction

From £2,400

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

RSJ cost in EC4Y

Estimates for install an rsj near EC4Y

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in EC4Y it ranges from £2,120 (Kovacs Construction Ltd based in EC1N) to £2,688 (Elite Building based in WC2A).

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 EC4Y by posting a job with HaMuch and we will send it to extension builders in EC4Y.


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Estimates for common extension builder jobs in EC4Y;

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...