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 EC1R

Q Lofts and Extensions

From £4,264

Location

London, EC1R

We build Lofts. We build Extensions. We undertake conversions. Our Terms and conditions apply as shown in our starter packs.

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...

Kovacs Construction Ltd

From £2,120

Experienced extension builder ready to quote for your work. Kovacs Construction Ltd is the best extension builder in EC1R. 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 ...

Oxford West

From £2,472

Experienced extension builder ready to quote for your work. Oxford West is the best extension builder in EC1R. No obligation free quotes and many h...

JM Building Services

From £2,240

JM Building Services is a trusted extension builder serving customers in EC1R and the surrounding area. Contact us to today to get a competitive qu...

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...

Buildwiser

From £2,416

Buildwiser is a trusted extension builder serving customers in EC1R and the surrounding area. Contact us to today to get a competitive quote for ex...

Centaurus Construction Limited

From £2,608

Centaurus is one of North London's most experienced builders. With expert craftsmanship, attention to detail, the right materials we are committed ...

Cedar Developments

From £2,608

Trusted and professional extension builder in EC1R. Experienced in all extension buildering work and keeping within budget and on quote. Cedar Deve...

RSJ cost in EC1R

Estimates for install an rsj near EC1R

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in EC1R it ranges from £2,120 (Kovacs Construction Ltd based in EC1N) to £4,264 (Q Lofts and Extensions based in EC1R).

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 EC1R by posting a job with HaMuch and we will send it to extension builders in EC1R.


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Estimates for common extension builder jobs in EC1R;

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...