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 Oxford Street

Pillar Contractors Ltd

From £2,296

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

Pillar Contractors Ltd provides a local, trusted extensi...

Dominic Payte - Design & Build

From £2,288

Dominic Payte - Design & Build is an established extension buildering business in Oxford Street. We come highly recommended and provide competitive...

Starfish Properties

From £2,600

Starfish Properties is a trusted extension builder serving customers in Oxford Street and the surrounding area. Contact us to today to get a compet...

Azur London

From £2,280

Experienced extension builder ready to quote for your work. Azur London is the best extension builder in Oxford Street. No obligation free quotes a...

Hestia Contractors Ltd

From £2,144

Hestia Contractors Ltd are here to help customers who need an Extension Builder in Oxford Street. We offer a competitive rate to complete all your ...

Guildon LTD

From £2,240

Independent construction company we have wide range of experience, including newconstruction, renovation, design build and retail stores. We provid...

CORRECTBUILDIV.LTD

From £2,432

We are specialised in: demolition services, foundation services, property extension, general bricklaying, internal renovation and configuration, ca...

We Love Build

From £2,672

We are a Design and Build Company, based in London.We focus on super prime and luxury residential renovations in and around London and internationa...

We Love Build - Three Arches

From £2,240

We Love Build - Three Arches is an established extension buildering business in Oxford Street. We come highly recommended and provide competitive q...

JK Doors

From £2,184

JK Doors is a trusted extension builder serving customers in Oxford Street and the surrounding area. Contact us to today to get a competitive quote...

RSJ cost in Oxford Street

Estimates for install an rsj near Oxford Street

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Oxford Street it ranges from £2,144 (Hestia Contractors Ltd based in W1B) to £2,672 (We Love Build based in W1J).

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


Get extension builder rates instantly

Estimates for common extension builder jobs in Oxford Street;

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...