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 £2,320

Rates verified Oct 26
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SDS Constructions

Sean Smithers

Our building services company SDS Constructions has been established for many years and have been providing customers in Dagenham and the surroundi...

From £3,432

Rates verified Oct 26
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Optimus Build Solutions

Vasile Boghean

Optimus Build Solutions delivers exceptional construction services in London and surronding areas. Specializing in bathroom and kitchen refurbishme...

From £2,424

Last active Nov 26
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Gems Building & Maintenance Services

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

From £2,440

Last active Nov 26
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PHOENIX DEVELOPMNTS LONDON LTD

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

From £2,528

Last active Nov 26
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Tony Rutter

Need an Extension Builder in Harold Wood? Tony Rutter has been helping local clients (10 mile radius) with their extension buildering jobs for many...

From £1,616

Last active Oct 26
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RTC Plumbers

Shaik Jamal

Welcome to RTC Plumbers! With over 15 years of experience, we offer a range of plumbing services from simple repairs to complex installations, each...

From £2,456

Last active Oct 26
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ESK Builders

Need to find an Extension Builder near you for all your extension buildering work?

ESK Builders provides a local, trusted extension builder...

From £2,024

Last active Oct 26
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V&L Construction LTD

Trusted and professional extension builder in Harold Wood. Experienced in all extension buildering work and keeping within budget and on quote. V&L...

From £2,016

Last active Oct 26
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Lovehome Construction

Lovehome Construction is an established and experienced local extension builder in Harold Wood. Please contact us for a free, no obligation quote a...

From £2,424

Last active Oct 26
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A Star Construction

Relax... you have found a reliable extension builder in Harold Wood. A Star Construction is a friendly and reliable company based in Harold Wood wh...

RSJ cost in Harold Wood

Estimates for install an rsj near Harold Wood

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Harold Wood it ranges from £1,616 (RTC Plumbers based in RM6) to £3,432 (Optimus Build Solutions based in Rm1).

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


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Estimates for common extension builder jobs in Harold Wood;

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...