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 Get quotes.

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Install an RSJ cost in G20 - Sort by rates or availability

From £2,152

(last active 10/10/26)
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DS Builders

Relax... you have found a reliable extension builder in G20. DS Builders is a friendly and reliable company based in G20 who consider no job as too...

From £2,280

(last active 14/09/26)
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Adelphi Design & Construction Ltd

Adelphi Design & Construction Ltd is an established and experienced local extension builder in G20. Please contact us for a free, no obligation quo...

From £2,496

(last active 14/09/26)
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Gman-Joinery & Builders

Need an Extension Builder in G20? Gman-Joinery & Builders has been helping local clients (20 mile radius) with their extension buildering jobs for ...

From £2,328

(last active 25/03/26)
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LAKE BUILDERS LTD

LAKE BUILDERS LTD is an established extension buildering business in G20. We come highly recommended and provide competitive quotes for your work.<...

From £2,224

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Whyte homes

Whyte homes are here to help customers who need an Extension Builder in G20. We offer a competitive rate to complete all your extension buildering ...

From £2,392

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KB Contractors

If you’ve been searching for ‘Builder’s near me’ then look no further than KB Contractors . As local Builders, we’ve established...

From £2,168

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CMK Home Extensions Ltd

CMK Home Extensions Ltd is an established extension buildering business in G20. We come highly recommended and provide competitive quotes for your ...

From £2,184

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nest

nest is an established extension buildering business in G20. We come highly recommended and provide competitive quotes for your work.

From £2,480

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Arkiton

Relax... you have found a reliable extension builder in G20. Arkiton is a friendly and reliable company based in G20 who consider no job as too big...

From £2,152

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Arkiton Design & Build

Arkiton is one of the first combined architecture and construction companies in Glasgow, founded in 2017 by our in-house architect. Our aim is to s...

RSJ cost in G20

Estimates for install an rsj near G20

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in G20 it ranges from £2,152 (DS Builders based in G64) to £2,496 (Gman-Joinery & Builders based in G13).

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 G20 by posting a job with HaMuch and we will send it to extension builders in G20.


Get extension builder rates instantly

Get extension builder rates instantly (excluding VAT or callout charges)
Location in UKHourly RateDaily Rate
Install An RSJ near Glasgow£35£259
Install An RSJ near Bearsden£34£263
Install An RSJ near Bishopbriggs£35£262
Install An RSJ near Renfrew£35£264
Install An RSJ near Clydebank£35£265
Install An RSJ near Rutherglen£34£255
Install An RSJ near Giffnock£35£260
Install An RSJ near Paisley£34£259
Install An RSJ near Kirkintilloch£35£258
Install An RSJ near Cambuslang£34£250

Estimates for common extension builder jobs in G20;

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...