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 £2,368

Last active Nov 26
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Plumb & spark

Cody Stevens

Plumb & spark is an established extension buildering business in Aylesbury Vale. We come highly recommended and provide competitive quotes for you...

From £2,216

Last active Jul 26
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D Beagle Building Contractors

Relax... you have found a reliable extension builder in Aylesbury Vale. D Beagle Building Contractors is a friendly and reliable company based in A...

From £2,328

Last active May 26
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THREE HUNDREDS BUILDING LTD

THREE HUNDREDS BUILDING LTD are here to help customers who need an Extension Builder in Aylesbury Vale. We offer a competitive rate to complete all...

From £2,504

Last active May 26
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A J Shaw Building Services

Relax... you have found a reliable extension builder in Aylesbury Vale. A J Shaw Building Services is a friendly and reliable company based in Ayle...

From £2,280

Last active Mar 26
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ADC Landscape And Garden Maintenance Contractors

We are ADC Landscaping & Gardening, owned and run by Ashley Collier. We are a family business based in Aylesbury, Buckinghamshire, and cover all as...

From £2,648

Last active Dec 25
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C HORWOOD CONSTRUCTION

Trusted and professional extension builder in Aylesbury Vale. Experienced in all extension buildering work and keeping within budget and on quote. ...

From £2,360

Last active Dec 25
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D M B E BUILDPLUS

D M B E BUILDPLUS is an established and experienced local extension builder in Aylesbury Vale. Please contact us for a free, no obligation quote an...

From £2,640

Last active Dec 25
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Just Lofts

Just Lofts are here to help customers who need an Extension Builder in Aylesbury Vale. We offer a competitive rate to complete all your extension b...

From £2,440

Last active Dec 25
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AMG Roofing (Bucks) Ltd

AMG Roofing (Bucks) Ltd is owned by Ashley Gibson, a small, friendly, family run business that began in 2020, as a result of the Pandemic and an ac...

From £2,168

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VICTOR KING CONSTRUCTION

Experienced extension builder ready to quote for your work. VICTOR KING CONSTRUCTION is the best extension builder in Aylesbury Vale. No obligation...

RSJ cost in Aylesbury Vale

Estimates for install an rsj near Aylesbury Vale

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Aylesbury Vale it ranges from £2,168 (VICTOR KING CONSTRUCTION based in HP21) to £2,648 (C HORWOOD CONSTRUCTION based in HP19).

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


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Estimates for common extension builder jobs in Aylesbury Vale;

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...