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 £2,080

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Can design and Construction

Erald Kanani

Member since August 2025

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

From £2,384

Last active Nov 26
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CC&D BUILDING LTD

Catalin CIOBANU

Experienced extension builder ready to quote for your work. CC&D BUILDING LTD is the best extension builder in Canning Town. No obligation free quo...

From £2,408

Last active Oct 26
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GNB Construction Builders Ltd

Trusted and professional extension builder in Canning Town. Experienced in all extension buildering work and keeping within budget and on quote. GN...

From £2,120

Last active Oct 26
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G HAMID CONSTRUCTION LTD

Relax... you have found a reliable extension builder in Canning Town. G HAMID CONSTRUCTION LTD is a friendly and reliable company based in Canning ...

From £2,272

Last active Oct 26
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Kaseno Group

Kaseno Group are here to help customers who need an Extension Builder in Canning Town. We offer a competitive rate to complete all your extension b...

From £2,272

Last active Oct 26
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Glenward Builders Ltd

Experienced extension builder ready to quote for your work. Glenward Builders Ltd is the best extension builder in Canning Town. No obligation free...

From £2,400

Last active Sep 26
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Derryard Construction Ltd

Relax... you have found a reliable extension builder in Canning Town. Derryard Construction Ltd is a friendly and reliable company based in Canning...

From £2,288

Last active Sep 26
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AM Builder

Trusted and professional extension builder in Canning Town. Experienced in all extension buildering work and keeping within budget and on quote. AM...

From £2,440

Last active Sep 26
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Charlie Builder

Trusted and professional extension builder in Canning Town. Experienced in all extension buildering work and keeping within budget and on quote. Ch...

From £2,720

Last active Sep 26
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JASPG Construction & Design

JASPG excel in finding investment opportunities, working together with clients and partners to achieve optimal results. We project manage from star...

RSJ cost in Canning Town

Estimates for install an rsj near Canning Town

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Canning Town it ranges from £2,080 (Can design and Construction based in Ig11) to £2,720 (JASPG Construction & Design based in SE18).

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


Estimates for common extension builder jobs in Canning Town;

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...