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 £2,616

Last active Oct 26
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TFC Construction

Trusted and professional extension builder in TW1. Experienced in all extension buildering work and keeping within budget and on quote. TFC Constru...

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 £2,096

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 £2,160

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 £2,144

Last active Jan 26
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Michael Kramarz, MK Builds

Michael Kramarz, MK Builds are here to help customers who need an Extension Builder in TW1. We offer a competitive rate to complete all your extens...

From £2,104

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Masterbuild & Design Ltd

Location

Twickenham, TW1

Masterbuild & Design Ltd is an established and experienced local extension builder in TW1. Please contact us for a free, no obligation quote and co...

From £2,512

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Burbeck Project Management

Burbeck Project Management is a residential property development management company, working with clients across London to plan, design, and build ...

From £2,360

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BC 10 Builder Services

Location

Greater London, TW1

BC 10 Builder Services are here to help customers who need an Extension Builder in TW1. We offer a competitive rate to complete all your extension ...

From £2,264

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Habitus Home Improvements

Trusted and professional extension builder in TW1. Experienced in all extension buildering work and keeping within budget and on quote. Habitus Hom...

RSJ cost in TW1

Estimates for install an rsj near TW1

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in TW1 it ranges from £2,096 (Tota Builders based in TW2) to £2,616 (TFC Construction based in TW10).

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 TW1 by posting a job with HaMuch and we will send it to extension builders in TW1.


Estimates for common extension builder jobs in TW1;

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...