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.  To see prices and availability for your job click Get quotes.

HaMuch is Excellent

Install an RSJ cost in GL5 - Sort by rates or availability

From £1,920

(last active 01/10/26)
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J SUTTON CONSTRUCTION

Relax... you have found a reliable extension builder in GL5. J SUTTON CONSTRUCTION is a friendly and reliable company based in GL5 who consider no ...

From £1,976

(last active 11/09/26)
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Smithys

Daniel Smith

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

From £1,960

(last active 23/03/26)
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IAN RICE BUILDING LTD

Ian Rice

ian rice building ltd are a friendly reliable business, for all your building needs.

we undertake all works from small repairs to large ...

From £2,136

(last active 23/03/26)
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WARD & CO LTD (BUILDING

Relax... you have found a reliable extension builder in GL5. WARD & CO LTD (BUILDING is a friendly and reliable company based in GL5 who consider n...

From £2,232

(last active 07/03/26)
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JD LANGFORD BUILDING SERVICES

Relax... you have found a reliable extension builder in GL5. JD LANGFORD BUILDING SERVICES is a friendly and reliable company based in GL5 who cons...

From £2,080

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STROUD BUILDING COMPANY LTD

Relax... you have found a reliable extension builder in GL5. STROUD BUILDING COMPANY LTD is a friendly and reliable company based in GL5 who consid...

From £2,288

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E Partridge Building Services Limited

I am Eiran, the owner of E Partridge Building Services. I have been running my building company for over 20 years here in Stroud and the Gloucester...

From £2,288

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SteelPad

Need an Extension Builder in GL5? SteelPad has been helping local clients (20 mile radius) with their extension buildering jobs for many years. Get...

RSJ cost in GL5

Estimates for install an rsj near GL5

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in GL5 it ranges from £1,920 (J SUTTON CONSTRUCTION based in GL5) to £2,288 (E Partridge Building Services Limited based in GL5).

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 GL5 by posting a job with HaMuch and we will send it to extension builders in GL5.


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Estimates for common extension builder jobs in GL5;

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...