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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CB Home Improvements, Roofing & Building Solutions

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

CB Home Improvements, Roofing & Building Solutions provi...

From £2,080

Last active Nov 26
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LA Landscapes

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

From £2,160

Last active Oct 26
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Deadsmooth Plastering & Building Co

Deadsmooth Plastering & Building Co is a trusted extension builder serving customers in GL4 and the surrounding area. Contact us to today to get a ...

From £2,384

Last active Oct 26
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Sunshine Builders Services

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

From £2,200

Last active Sep 26
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L&P Developments Ltd

Lawrence Jones

L&P Developments Ltd is an established and experienced local extension builder in GL4. Please contact us for a free, no obligation quote and compe...

From £2,352

Last active Apr 26
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RSG Construction

Experienced extension builder ready to quote for your work. RSG Construction is the best extension builder in GL4. No obligation free quotes and ma...

From £2,336

Last active Apr 26
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Archway Builders Ltd

Relax... you have found a reliable extension builder in GL4. Archway Builders Ltd is a friendly and reliable company based in GL4 who consider no j...

From £2,424

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G MANN BUILDERS

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

From £2,032

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M CHAPMAN BUILDER

Relax... you have found a reliable extension builder in GL4. M CHAPMAN BUILDER is a friendly and reliable company based in GL4 who consider no job ...

From £1,488

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P J M Building Services

Philip McCoy

my Name is Philip I have over 20years exsperance in the building trade we give a very good and reliable service 

RSJ cost in GL4

Estimates for install an rsj near GL4

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in GL4 it ranges from £1,488 (P J M Building Services based in GL1) to £2,424 (G MANN BUILDERS based in GL2).

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 GL4 by posting a job with HaMuch and we will send it to extension builders in GL4.


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Estimates for common extension builder jobs in GL4;

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...