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 £2,712

Rates verified Oct 26
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Mandala Building Services

Mandala Building Services is a family-owned design and build maintenance company, encompassing everything from residential refurbishment to large-s...

From £2,760

Last active Oct 26
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Rafix Building

Rafal Szczepanski

Our homes need to be regularly maintained and from time to time they need to be rejuvenated, modernised and enhanced. When it comes to building wor...

From £2,544

Last active Oct 26
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Roberts & Co

Roberts & Co is a family run business est.2009. We specialize in Kitchen extensions and Loft conversions, and cover Hertfordshire, Essex and Greate...

From £2,144

Last active Oct 26
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New Finishes

New Finishes is a trusted extension builder serving customers in Brookmans Park and the surrounding area. Contact us to today to get a competitive ...

From £2,408

Last active Oct 26
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Homeland Building Ltd

Homeland Building Ltd is a trusted extension builder serving customers in Brookmans Park and the surrounding area. Contact us to today to get a com...

From £2,256

Last active Oct 26
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Wittick Building Ltd

Wittick Building Ltd is a trusted extension builder serving customers in Brookmans Park and the surrounding area. Contact us to today to get a comp...

From £2,168

Last active Oct 26
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A S G Developments - Herts LTD

Amarjeet Gill

Architecture and Construction all in one place. 

FREE DRAWINGS for all projects we build. 

From £2,176

Last active Oct 26
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One Call Bathrooms

At One Call Bathrooms we can tailor our service to provide a bespoke service to all Landlords and Management Agents that will guar...

From £2,432

Last active Oct 26
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Buyerz Trading

Buyerz Trading is an established and experienced local extension builder in Brookmans Park. Please contact us for a free, no obligation quote and c...

From £2,064

Last active Oct 26
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Advance Construction Solutions

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

RSJ cost in Brookmans Park

Estimates for install an rsj near Brookmans Park

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Brookmans Park it ranges from £2,064 (Advance Construction Solutions based in EN6) to £2,760 (Rafix Building based in EN4).

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


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Estimates for common extension builder jobs in Brookmans Park;

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...