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 £1,400

Last active Oct 26
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A.Gaddarn Builders

Alan Gaddarn

Very reliable honest and hard working guarantee all work clean and tidy first class work

From £1,992

Last active Sep 26
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T Porter Buiding

T Porter Buiding is an established and experienced local extension builder in Cwmbran. Please contact us for a free, no obligation quote and compet...

From £1,960

Last active Sep 26
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Sharif General Builder

Sharif General Builder is an established and experienced local extension builder in Cwmbran. Please contact us for a free, no obligation quote and ...

From £2,184

Last active Aug 26
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PARTRIDGE - WILSON BUILDERS

Location

Cwmbran, NP44

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

PARTRIDGE - WILSON BUILDERS provides a local, trusted ex...

From £1,768

Last active Aug 26
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D BENDON CONSTRUCTION LTD

D BENDON CONSTRUCTION LTD is an established and experienced local extension builder in Cwmbran. Please contact us for a free, no obligation quote a...

From £1,944

Last active Aug 26
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OWEN BROTHERS CONSTRUCTION LTD

OWEN BROTHERS CONSTRUCTION LTD are here to help customers who need an Extension Builder in Cwmbran. We offer a competitive rate to complete all you...

From £1,848

Last active Jul 26
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Jac Jones Construction Ltd

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

From £2,064

Last active Jul 26
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TSL Heating & Plumbing

Location

, NP44

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

From £2,112

Last active Jul 26
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Ace Paving

Relax... you have found a reliable extension builder in Cwmbran. Ace Paving is a friendly and reliable company based in Cwmbran who consider no job...

From £1,880

Last active Jun 26
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ABS Allied Trades

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

ABS Allied Trades provides a local, trusted extension bu...

RSJ cost in Cwmbran

Estimates for install an rsj near Cwmbran

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Cwmbran it ranges from £1,400 (A.Gaddarn Builders based in NP11) to £2,184 (PARTRIDGE - WILSON BUILDERS based in NP44).

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

"RSJ installation" - NEWPORT, job posted 01/01/70


Get extension builder rates instantly

Get extension builder rates instantly (excluding VAT or callout charges)
Location in UKHourly RateDaily Rate
Install An RSJ near Cwmbran£43£219
Install An RSJ near Risca£32£218
Install An RSJ near Newport£41£233
Install An RSJ near Pontypool£30£210
Install An RSJ near Caerphilly£33£208
Install An RSJ near Ebbw Vale£30£217
Install An RSJ near Tredegar£30£217
Install An RSJ near Cardiff£34£223
Install An RSJ near Pontypridd£33£211
Install An RSJ near Church Village£34£214

Estimates for common extension builder jobs in Cwmbran;

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...