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 EC1Y

Fornia Build Ltd

From £2,328

Fornia Build Ltd is an established and experienced local extension builder in EC1Y. Please contact us for a free, no obligation quote and competiti...

Fornia Build Ltd

From £2,728

Bring your vision to life with Fornia build. Our main aim is to design and build exceptional residential properties in prime locations, to the high...

TOP CONSTRUCTION

From £2,240

TOP CONSTRUCTION is an established extension buildering business in EC1Y. We come highly recommended and provide competitive quotes for your work.<...

Venta Construction

From £2,360

Venta Construction is an established and experienced local extension builder in EC1Y. Please contact us for a free, no obligation quote and competi...

Aylaa Exclusive

From £2,472

Need an Extension Builder in EC1Y? Aylaa Exclusive has been helping local clients (5 mile radius) with their extension buildering jobs for many yea...

Dual City Building Contractors Limited

From £2,296

Our family-run building services company Dual City Building Contractors Limited has over 30 years’ experience in the industry. We have been helpi...

Alkemist Build and Decorate

From £2,568

Need to find an Extension Builder near you for all your extension buildering work?

Alkemist Build and Decorate provides a local, trusted ex...

Cadway Group Ltd

From £2,600

Need an Extension Builder in EC1Y? Cadway Group Ltd has been helping local clients (5 mile radius) with their extension buildering jobs for many ye...

Master Build Team

From £2,328

Master Build Team is an established extension buildering business in EC1Y. We come highly recommended and provide competitive quotes for your work....

MM Construction Group

From £2,160

Relax... you have found a reliable extension builder in EC1Y. MM Construction Group is a friendly and reliable company based in EC1Y who consider n...

RSJ cost in EC1Y

Estimates for install an rsj near EC1Y

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in EC1Y it ranges from £2,160 (MM Construction Group based in EC1V) to £2,728 (Fornia Build Ltd based in EC1V).

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 EC1Y by posting a job with HaMuch and we will send it to extension builders in EC1Y.


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Estimates for common extension builder jobs in EC1Y;

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...