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. 

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Install an RSJ cost in East Of England

Helenski Group Ltd

From £2,600

(last active 28/08/26)

Helenski Group Ltd specialises in complete bathroom renovations, luxury tiling, kitchens and full property refurbishments. We have over 20 years of...

CROWNBUILD

From £2,352

(last active 20/08/26)

Relax... you have found a reliable extension builder in East Of England. CROWNBUILD is a friendly and reliable company based in East Of England who...

CREATIVE BUILDING & LANDSCAPE

From £2,472

(last active 20/08/26)

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

Mc2 Building Services

From £2,080

(last active 17/08/26)

Need an Extension Builder in East Of England? Mc2 Building Services has been helping local clients (20 mile radius) with their extension buildering...

ALLIED BUILDING ASSOCIATES LTD

From £3,560

(last active 09/08/26)

Experienced extension builder ready to quote for your work. ALLIED BUILDING ASSOCIATES LTD is the best extension builder in East Of England. No obl...

Eric Handyman- builder

From £2,288

(last active 17/07/26)

Eric Handyman- builder is an established and experienced local extension builder in East Of England. Please contact us for a free, no obligation qu...

Sean W Scott General Builder

From £1,768

(last active 09/04/26)

We are a family business providing a one stop shop to meet all your building and renervation needs

D Stebbings

From £2,272

(last active 31/03/26)

Relax... you have found a reliable extension builder in East Of England. D Stebbings is a friendly and reliable company based in East Of England wh...

Fenlake Construction

From £2,584

(last active 31/03/26)

Comprehensive, Intelligent Construction Service offering Domestic and Commercial Buildings, Barn, Basement and Loft Conversions, Renovation & Refur...

A Sindall Building

From £2,216

(last active 14/03/26)

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

A Sindall Building provides a local, trusted extension b...

RSJ cost in East Of England

Estimates for install an rsj near East Of England

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in East Of England it ranges from £1,768 (Sean W Scott General Builder based in IP28) to £3,560 (ALLIED BUILDING ASSOCIATES LTD based in CB22).

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


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Estimates for common extension builder jobs in East Of England;

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...