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 £2,360

Last active Aug 26
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S JOYCE BUILDING

S JOYCE BUILDING are here to help customers who need an Extension Builder in Somerset. We offer a competitive rate to complete all your extension b...

From £1,960

Last active Apr 26
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ASHWIN CONSTRUCTION

Relax... you have found a reliable extension builder in Somerset. ASHWIN CONSTRUCTION is a friendly and reliable company based in Somerset who cons...

From £2,272

Last active Mar 26
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BURNELL BUILDERS LTD

BURNELL BUILDERS LTD is an established extension buildering business in Somerset. We come highly recommended and provide competitive quotes for you...

From £2,400

Last active Mar 26
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CETH CONSTRUCTION LTD

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

From £2,232

Last active Mar 26
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BEECH BUILDERS (BATH) LTD

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

From £2,384

Last active Feb 26
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BEANACRE BUILDERS LTD

BEANACRE BUILDERS LTD are here to help customers who need an Extension Builder in Somerset. We offer a competitive rate to complete all your extens...

From £2,144

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FAULKLAND CONSTRUCTION LTD

FAULKLAND CONSTRUCTION LTD are here to help customers who need an Extension Builder in Somerset. We offer a competitive rate to complete all your e...

From £2,160

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M K J Construction Ltd

M K J Construction Ltd are here to help customers who need an Extension Builder in Somerset. We offer a competitive rate to complete all your exten...

From £2,104

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HOLBROOK CONSTRUCTION

HOLBROOK CONSTRUCTION are here to help customers who need an Extension Builder in Somerset. We offer a competitive rate to complete all your extens...

From £4,632

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Adams Of Bath Property Services

Christopher Adams

Welcome to ADAMS Of BATH - Property Services & Development 

We are a local family bus...

RSJ cost in Somerset

Estimates for install an rsj near Somerset

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Somerset it ranges from £1,960 (ASHWIN CONSTRUCTION based in BS30) to £4,632 (Adams Of Bath Property Services based in BA2).

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


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Get extension builder rates instantly (excluding VAT or callout charges)
Location in UKHourly RateDaily Rate
Install An RSJ near Keynsham£33£251
Install An RSJ near Bath£32£249
Install An RSJ near Kingswood£34£257
Install An RSJ near Trowbridge£34£266
Install An RSJ near Chippenham£34£258
Install An RSJ near Yate£34£263
Install An RSJ near South Gloucestershire£34£260
Install An RSJ near Bristol£33£255
Install An RSJ near Frome£33£263
Install An RSJ near Clifton£33£255

Estimates for common extension builder jobs in 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...