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 £2,448

Last active Oct 26
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Slick Construction Ltd

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

Slick Construction Ltd provides a local, trusted extensi...

From £2,352

Last active Oct 26
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Hawaii Ltd

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

From £2,424

Last active Oct 26
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Image Design & Consultants

Image Design & Consultants is a trusted extension builder serving customers in TW3 and the surrounding area. Contact us to today to get a competiti...

From £2,096

Last active Oct 26
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Tota Builders

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

From £2,568

Last active Sep 26
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BUILDING SPACE UK LTD

Relax... you have found a reliable extension builder in TW3. BUILDING SPACE UK LTD is a friendly and reliable company based in TW3 who consider no ...

From £2,560

Last active Sep 26
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JP CONSTRUCTION

JP CONSTRUCTION is an established extension buildering business in TW3. We come highly recommended and provide competitive quotes for your work.

From £2,320

Last active Aug 26
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Complex Renovation

Location

Greater London, TW3

Complex Renovation serving clients in London and surrounding areas providing highest standard building services.We provide a range of expert renov...

From £2,344

Last active Aug 26
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BK Verma

BK Verma is a trusted extension builder serving customers in TW3 and the surrounding area. Contact us to today to get a competitive quote for exten...

From £2,160

Last active Aug 26
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AMBUILD LTD

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

AMBUILD LTD provides a local, trusted extension builderi...

From £2,128

Last active Aug 26
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LA PIETRA CONSTRUCTIONS

LA PIETRA CONSTRUCTIONS is a trusted extension builder serving customers in TW3 and the surrounding area. Contact us to today to get a competitive ...

RSJ cost in TW3

Estimates for install an rsj near TW3

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in TW3 it ranges from £2,096 (Tota Builders based in TW2) to £2,568 (BUILDING SPACE UK LTD based in TW2).

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 TW3 by posting a job with HaMuch and we will send it to extension builders in TW3.


Estimates for common extension builder jobs in TW3;

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...