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 green button.

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From £2,240

Last active Oct 26
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Clayton Construction (WSM) Ltd

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

From £1,968

Last active Oct 26
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Jeremy Blythe

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

From £2,144

Last active Oct 26
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Sunnyside Property Developments

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

From £2,080

Last active Oct 26
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Piotr Building & Decorations

Looking for an Extension Builder near North Somerset for all your extension buildering jobs?

Piotr Building & Decorat...

From £2,040

Last active Sep 26
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MOORLAND DESIGN & BUILD LTD

MOORLAND DESIGN & BUILD LTD are here to help customers who need an Extension Builder in North Somerset. We offer a competitive rate to complete all...

From £1,928

Last active Sep 26
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Neil Causon & Son

Neil Causon & Son is an established and experienced local extension builder in North Somerset. Please contact us for a free, no obligation quote an...

From £2,408

Last active Sep 26
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FEATHERBED CONSTRUCTION

FEATHERBED CONSTRUCTION is a trusted extension builder serving customers in North Somerset and the surrounding area. Contact us to today to get a c...

From £2,328

Last active Aug 26
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CLARKE BUILDING:ROOFING

Colin Clarke

Colin Clarke building:roofing has been successfully in business for 30 years. A vast amount of skills and knowledge has been gained and used to cre...

From £2,416

Last active Jul 26
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D C CONSTRUCTION

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

From £1,888

Last active Jul 26
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PORTCLIFF BUILDING SERV LTD

PORTCLIFF BUILDING SERV LTD is an established extension buildering business in North Somerset. We come highly recommended and provide competitive q...

RSJ cost in North Somerset

Estimates for install an rsj near North Somerset

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in North Somerset it ranges from £1,888 (PORTCLIFF BUILDING SERV LTD based in BS21) to £2,416 (D C CONSTRUCTION based in BS40).

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


Get extension builder rates instantly

Get extension builder rates instantly (excluding VAT or callout charges)
Location in UKHourly RateDaily Rate
Install An RSJ near North Somerset£32£245
Install An RSJ near Clevedon£32£243
Install An RSJ near Portishead£33£247
Install An RSJ near Weston-super-Mare£33£253
Install An RSJ near Clifton£33£255
Install An RSJ near Bristol£33£255
Install An RSJ near Keynsham£33£251
Install An RSJ near Kingswood£34£257
Install An RSJ near Bath£32£249
Install An RSJ near Bradley Stoke£34£259

Estimates for common extension builder jobs in North Somerset;

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...