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 HR1 - Sort by rates or availability

Rooster Contractor

From £2,256

(last active 29/09/26)

Stonemason, Brick , Blocks , Patios & More

Philips Building Services

From £2,200

(last active 29/09/26)

Need an Extension Builder in HR1? Philips Building Services has been helping local clients (20 mile radius) with their extension buildering jobs fo...

Timtec Building Services

From £1,752

(last active 20/09/26)

Small company .

friendly reliable service 

Excellent quality of workmanship

 

 

...

Gps building.com Ltd

From £1,984

(last active 11/09/26)

Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

The Green Team

From £1,960

(last active 10/09/26)

The Green Team is an established and experienced local extension builder in HR1. 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 HR1. D M CRADDOCK GENERAL BUILDER is a friendly and reliable company based in HR1 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 HR1. We come highly recommended and provide competitive quotes for ...

Betimbran Build

From £1,952

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

Betimbran Build provides a local, trusted extension buil...

RSJ cost in HR1

Estimates for install an rsj near HR1

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in HR1 it ranges from £1,752 (Timtec Building Services based in HR9) 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 HR1 by posting a job with HaMuch and we will send it to extension builders in HR1.


Get extension builder rates instantly

Estimates for common extension builder jobs in HR1;

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...