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 £2,656

Last active Oct 26
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Up and Out Builds Ltd

Relax... you have found a reliable extension builder in East Hertfordshire. Up and Out Builds Ltd is a friendly and reliable company based in East ...

From £2,120

Last active Jul 26
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MA Gower

Need an Extension Builder in East Hertfordshire? MA Gower has been helping local clients (20 mile radius) with their extension buildering jobs for ...

From £2,392

Last active May 26
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Red Swan Construction

In an unstable market house extensions are often the most viable option, helping you to get the most out of the space you have without the addition...

From £2,216

Last active Apr 26
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G B BUILDSTORE LTD

Gary Braine

Experienced extension builder ready to quote for your work. G B BUILDSTORE LTD is the best extension builder in East Hertfordshire. No obligation f...

From £2,392

Last active Apr 26
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Herts Loft Ltd

Herts Loft Ltd is an established extension buildering business in East Hertfordshire. We come highly recommended and provide competitive quotes for...

From £2,344

Last active Apr 26
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TPJ Building Ltd

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

TPJ Building Ltd provides a local, trusted extension bui...

From £2,424

Last active Apr 26
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LTM Construction

LTM Construction is an established and experienced local extension builder in East Hertfordshire. Please contact us for a free, no obligation quote...

From £2,656

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Steve Rolt Home Improvements Ltd

Steve Rolt Home Improvements Ltd was founded in 2016 in Buntingford, Hertfordshire, and from small beginnings, has gone from stren...

From £2,704

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WALKERN CONSTRUCTION LIMITED

WALKERN CONSTRUCTION LIMITED is an established and experienced local extension builder in East Hertfordshire. Please contact us for a free, no obli...

From £2,160

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Interior Installations

Relax... you have found a reliable extension builder in East Hertfordshire. Interior Installations is a friendly and reliable company based in East...

RSJ cost in East Hertfordshire

Estimates for install an rsj near East Hertfordshire

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in East Hertfordshire it ranges from £2,120 (MA Gower based in AL6) to £2,704 (WALKERN CONSTRUCTION LIMITED based in SG2).

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


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Estimates for common extension builder jobs in East Hertfordshire;

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...