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 £1,880

Last active Nov 26
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K Barrett Roofing LTD

Experienced extension builder ready to quote for your work. K Barrett Roofing LTD is the best extension builder in Yardley. No obligation free quot...

From £2,184

Last active Nov 26
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Atwal Building Services Ltd

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

Atwal Building Services Ltd provides a local, trusted ex...

From £2,040

Last active Nov 26
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MD Services

Relax... you have found a reliable extension builder in Yardley. MD Services is a friendly and reliable company based in Yardley who consider no jo...

From £2,064

Last active Nov 26
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LC BUILDING SERVICES

Lloyd Clarke

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

LC BUILDING SERVICES provides a local, trusted extension...

From £2,144

Last active Nov 26
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D&J Advanced Builders

Need an Extension Builder in Yardley? D&J Advanced Builders has been helping local clients (20 mile radius) with their extension buildering jobs fo...

From £2,184

Last active Nov 26
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Brickfast Builders

Brickfast Builders is an established extension buildering business in Yardley. We come highly recommended and provide competitive quotes for your w...

From £1,968

Last active Nov 26
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James Leonnard Builders

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

James Leonnard Builders provides a local, trusted extens...

From £1,768

Last active Oct 26
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Dave Mattock

Dave Mattock is an established and experienced local extension builder in Yardley. Please contact us for a free, no obligation quote and competitiv...

From £2,080

Last active Oct 26
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Tucker Construction

Relax... you have found a reliable extension builder in Yardley. Tucker Construction is a friendly and reliable company based in Yardley who consid...

From £2,160

Last active Oct 26
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SM&S General Property Repairs

SM&S General Property Repairs is a trusted extension builder serving customers in Yardley and the surrounding area. Contact us to today to get a co...

RSJ cost in Yardley

Estimates for install an rsj near Yardley

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Yardley it ranges from £1,768 (Dave Mattock based in B44) to £2,184 (Atwal Building Services Ltd based in B20).

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

"Removal of 3 walls and 3 RSJ installations to extend a kitchen. Need for a structual engineering consultation and building control approval since at least one wall will be load bearing." - BIRMINGHAM, job posted 05/05/24

"RSJ installation" - BIRMINGHAM, job posted 01/03/25


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Estimates for common extension builder jobs in Yardley;

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...