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. 

Need help with a job?

HaMuch is Excellent

Install an RSJ cost in Sloane Square

Luxury Movement

From £2,536

Luxury Movement is an established extension buildering business in Sloane Square. We come highly recommended and provide competitive quotes for you...

ALT CONSTRUCTION

From £2,224

At Alt Construction we provide a complete and professional turnkey construction service for internal alterations, extensions, including detailed de...

Property Refurbishment London

From £2,592

Trusted and professional extension builder in Sloane Square. Experienced in all extension buildering work and keeping within budget and on quote. P...

Sloane Ave Renovations

From £2,096

Trusted and professional extension builder in Sloane Square. Experienced in all extension buildering work and keeping within budget and on quote. S...

Autas Developments

From £2,608

Our building services company Autas Developments have fifteen years' experience of helping customers in Central London and the surrounding areas by...

Knightsbridge Design

From £2,536

Knightsbridge Design was founded by a group consisting of some of the most exceptional and talented decorators in London. Our mission is to provide...

London Design And Build

From £408

Here at London Design and Build, our team of architects, interior designers, structural engineers and contractors, offer a bespoke, turn-key servic...

Cliden Construction (London)

From £2,520

Cliden Construction (London) is a trusted extension builder serving customers in Sloane Square and the surrounding area. Contact us to today to get...

F & F Building Services

From £2,456

F & F Building Services is an established extension buildering business in Sloane Square. We come highly recommended and provide competitive quotes...

A to Z Builders Ltd

From £2,176

A to Z Builders Ltd are here to help customers who need an Extension Builder in Sloane Square. We offer a competitive rate to complete all your ext...

RSJ cost in Sloane Square

Estimates for install an rsj near Sloane Square

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Sloane Square it ranges from £408 (London Design And Build based in SW1A) to £2,608 (Autas Developments based in SW1W).

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


Get extension builder rates instantly

Estimates for common extension builder jobs in Sloane Square;

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...