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 £2,512

Last active Nov 26
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T M Builder

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

From £2,224

Last active Oct 26
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Mario Prajar Building Services

Mario Prajar Building Services is an established and experienced local extension builder in Greenford. Please contact us for a free, no obligation ...

From £2,200

Last active Oct 26
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Vital Builders

Vital Builders are here to help customers who need an Extension Builder in Greenford. We offer a competitive rate to complete all your extension bu...

From £2,416

Last active Oct 26
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J K GENERAL BUILDING LTD

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

J K GENERAL BUILDING LTD provides a local, trusted exten...

From £2,384

Last active Oct 26
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MJ Builders (London) Ltd

Hardeep Samra

MJ Builders (London) Ltd are here to help customers who need an Extension Builder in Greenford. We offer a competitive rate to complete all your ex...

From £2,272

Last active Oct 26
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WHIPP CONSTRUCTION LTD

WHIPP CONSTRUCTION LTD is an established extension buildering business in Greenford. We come highly recommended and provide competitive quotes for ...

From £2,448

Last active Oct 26
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C & A Contractors

C & A Contractors is a trusted extension builder serving customers in Greenford and the surrounding area. Contact us to today to get a competitive ...

From £2,480

Last active Oct 26
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DC Build & Pave

Trusted and professional extension builder in Greenford. Experienced in all extension buildering work and keeping within budget and on quote. DC Bu...

From £2,624

Last active Oct 26
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LALI BUILDERS

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

From £2,296

Last active Oct 26
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Matharu Buildings

Bill Matharu

Matharu Buildings is an established extension buildering business in Greenford. We come highly recommended and provide competitive quotes for your ...

RSJ cost in Greenford

Estimates for install an rsj near Greenford

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Greenford it ranges from £2,200 (Vital Builders based in UB5) to £2,624 (LALI BUILDERS based in NW10).

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


Estimates for common extension builder jobs in Greenford;

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...