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 B6

Brickfast Builders

From £2,184

Brickfast Builders is an established extension buildering business in B6. We come highly recommended and provide competitive quotes for your work.<...

Probuild360

From £1,904

Trusted and professional extension builder in B6. Experienced in all extension buildering work and keeping within budget and on quote. Probuild360 ...

Renka

From £1,840

Renka is an established and experienced local extension builder in B6. Please contact us for a free, no obligation quote and competitive rates. Cov...

BellTrim Wood Products

From £1,896

Need an Extension Builder in B6? BellTrim Wood Products has been helping local clients (20 mile radius) with their extension buildering jobs for ma...

Spectrum Homes

From £1,904

Experienced extension builder ready to quote for your work. Spectrum Homes is the best extension builder in B6. No obligation free quotes and many ...

BORDO Design

From £2,072

Relax... you have found a reliable extension builder in B6. BORDO Design is a friendly and reliable company based in B6 who consider no job as too ...

Parkfield Building Services Ltd

From £1,784

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

AJ Home Improvements

From £1,904

AJ Home Improvements is an established extension buildering business in B6. We come highly recommended and provide competitive quotes for your work...

LC BUILDING SERVICES

From £2,064

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

LC BUILDING SERVICES provides a local, trusted extension...

Add Surveyors

From £1,912

Add Surveyors is a trusted extension builder serving customers in B6 and the surrounding area. Contact us to today to get a competitive quote for e...

RSJ cost in B6

Estimates for install an rsj near B6

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in B6 it ranges from £1,784 (Parkfield Building Services Ltd based in B6) to £2,184 (Brickfast Builders based in B6).

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 B6 by posting a job with HaMuch and we will send it to extension builders in B6.

"Removal of 3 walls and 3 RSJ installations to extend a kitchen. Need for a structual engineering consultation and building control approval since at least one wall will be load bearing." - BIRMINGHAM, job posted 05/05/24

"RSJ installation" - BIRMINGHAM, job posted 01/03/25


Get extension builder rates instantly

Estimates for common extension builder jobs in B6;

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...