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 £2,712

Rates verified Oct 26
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Mandala Building Services

Mandala Building Services is a family-owned design and build maintenance company, encompassing everything from residential refurbishment to large-s...

From £2,544

Last active Oct 26
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Peter's Gutters

Peter Rourke

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

From £2,168

Last active Oct 26
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A S G Developments - Herts LTD

Amarjeet Gill

Architecture and Construction all in one place. 

FREE DRAWINGS for all projects we build. 

From £2,176

Last active Oct 26
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One Call Bathrooms

At One Call Bathrooms we can tailor our service to provide a bespoke service to all Landlords and Management Agents that will guar...

From £2,432

Last active Oct 26
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Buyerz Trading

Buyerz Trading is an established and experienced local extension builder in Sandridge. Please contact us for a free, no obligation quote and compet...

From £2,736

Last active Oct 26
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R. Newman Construction

Are you looking for resin driveways in North London? We are a leading builder of driveways and patios in North London. We have expertise in various...

From £2,064

Last active Oct 26
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Advance Construction Solutions

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

From £2,640

Last active Oct 26
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IC Builders

IC Builders have been helping customers in St Albans and the surrounding area by providing professional, trustworthy building services.We k...

From £2,464

Last active Oct 26
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London Elite Construction

London Elite Construction is an established extension buildering business in Sandridge. We come highly recommended and provide competitive quotes f...

From £2,528

Last active Oct 26
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BSL

BSL are here to help customers who need an Extension Builder in Sandridge. We offer a competitive rate to complete all your extension buildering jo...

RSJ cost in Sandridge

Estimates for install an rsj near Sandridge

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Sandridge it ranges from £2,064 (Advance Construction Solutions based in EN6) to £2,736 (R. Newman Construction based in AL4).

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


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Estimates for common extension builder jobs in Sandridge;

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...