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. 

Install an RSJ cost in HR4 - Sort by rates or availability

Rooster Contractor

From £2,256

(last active 29/09/26)

Stonemason, Brick , Blocks , Patios & More

Timtec Building Services

From £1,752

(last active 20/09/26)

Small company .

friendly reliable service 

Excellent quality of workmanship

 

 

...

The Green Team

From £1,960

(last active 10/09/26)

The Green Team is an established and experienced local extension builder in HR4. Please contact us for a free, no obligation quote and competitive ...

D M CRADDOCK GENERAL BUILDER

From £2,184

(last active 18/06/26)

Relax... you have found a reliable extension builder in HR4. D M CRADDOCK GENERAL BUILDER is a friendly and reliable company based in HR4 who consi...

RW Sash Renovation

From £2,224

(last active 13/02/26)

I have been renovating sliding sash windows for over 20 years for a leading nationwide company. I was a team leader overseeing jobs from 1 bed apar...

A DAVIES CONSTRUCTION

From £2,144

(last active 11/02/26)

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

A DAVIES CONSTRUCTION provides a local, trusted extensio...

G S H BUILDERS (LEDBURY) LTD

From £2,184

(last active 29/01/26)

G S H BUILDERS (LEDBURY) LTD is an established extension buildering business in HR4. We come highly recommended and provide competitive quotes for ...

SSM BUILDING CO.

From £2,176

Trusted and professional extension builder in HR4. Experienced in all extension buildering work and keeping within budget and on quote. SSM BUILDIN...

Skyers and Son

From £2,024

Skyers and Son is an established extension buildering business in HR4. We come highly recommended and provide competitive quotes for your work.

...

M R P Building Contractor

From £1,504

M R P Building Contractor is an established and experienced local extension builder in HR4. Please contact us for a free, no obligation quote and c...

RSJ cost in HR4

Estimates for install an rsj near HR4

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in HR4 it ranges from £1,504 (M R P Building Contractor based in HR2) to £2,256 (Rooster Contractor based in HR1).

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 HR4 by posting a job with HaMuch and we will send it to extension builders in HR4.


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Estimates for common extension builder jobs in HR4;

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...