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 £2,136

Last active May 26
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ACF Carpentry Ltd

ACF Carpentry Ltd is an established and experienced local extension builder in BN44. Please contact us for a free, no obligation quote and competit...

From £2,192

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Salamander Group Ltd

Trusted and professional extension builder in BN44. Experienced in all extension buildering work and keeping within budget and on quote. Salamander...

From £2,392

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Woodmans Construction

Woodmans Construction are here to help customers who need an Extension Builder in BN44. We offer a competitive rate to complete all your extension ...

From £2,016

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Prime Living

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

From £2,312

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Diligence Builders

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

From £2,312

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Diligence Builders

Diligence Builders are a skilled professional construction team who can undertake a wide range of building services from new builds and extensions ...

From £2,336

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PBS Build it Better

At PBS Build it Better we have been providing building services to customers in Brighton & Hove and throughout Sussex for over 40 years. As experie...

RSJ cost in BN44

Estimates for install an rsj near BN44

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in BN44 it ranges from £2,016 (Prime Living based in BN15) to £2,392 (Woodmans Construction based in BN43).

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 BN44 by posting a job with HaMuch and we will send it to extension builders in BN44.


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Estimates for common extension builder jobs in BN44;

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...