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 £2,584

Last active Nov 26
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HB Construction

Experienced extension builder ready to quote for your work. HB Construction is the best extension builder in SG5. No obligation free quotes and man...

From £2,408

Last active Jul 26
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WILLMOTT DIXON CONSTRUCTION LI

Need an Extension Builder in SG5? WILLMOTT DIXON CONSTRUCTION LI has been helping local clients (20 mile radius) with their extension buildering jo...

From £2,688

Last active Apr 26
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M SPINDLER CONSTRUCTION LTD

Need an Extension Builder in SG5? M SPINDLER CONSTRUCTION LTD has been helping local clients (20 mile radius) with their extension buildering jobs ...

From £2,608

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M P BUILDING LIMITED

M P BUILDING LIMITED is an established and experienced local extension builder in SG5. Please contact us for a free, no obligation quote and compet...

From £1,904

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L P L Property Services Limited

Need an Extension Builder in SG5? L P L Property Services Limited has been helping local clients (20 mile radius) with their extension buildering j...

From £2,560

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Specialist Building Refurbishm

Experienced extension builder ready to quote for your work. Specialist Building Refurbishm is the best extension builder in SG5. No obligation free...

From £2,528

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David Douglas Developments

Our building services company David Douglas Developments has over 30 years’ experience, and built an established reputation of providing customer...

From £2,488

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MG Design & Build

Realise Your Luxury Dream Home With The Design And Build Partner You Can Trust.At MG Design & Build we have over 25 years of experience in the cons...

From £2,368

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Gilbert & Gregson Construction Ltd

Need an Extension Builder in SG5? Gilbert & Gregson Construction Ltd has been helping local clients (20 mile radius) with their extension builderin...

From £2,328

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Draincall Services Ltd

Draincall Services Ltd is a trusted extension builder serving customers in SG5 and the surrounding area. Contact us to today to get a competitive q...

RSJ cost in SG5

Estimates for install an rsj near SG5

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in SG5 it ranges from £1,904 (L P L Property Services Limited based in SG5) to £2,688 (M SPINDLER CONSTRUCTION LTD based in SG6).

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 SG5 by posting a job with HaMuch and we will send it to extension builders in SG5.


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Estimates for common extension builder jobs in SG5;

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...