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 £1,752

Last active Oct 26
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P ALLEN BUILDERS

P ALLEN BUILDERS is an established and experienced local extension builder in Cymmer. Please contact us for a free, no obligation quote and competi...

From £2,096

Last active Oct 26
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Barlam Drylining Ltd

Barlam Drylining Ltd are here to help customers who need an Extension Builder in Cymmer. We offer a competitive rate to complete all your extension...

From £1,992

Last active Aug 26
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J.S. Builders

Location

Cymmer, CF39

We are a small family run business, established over 35 years ago, specialising in Hard Landscaping (Patios) and Block Paving.We a...

From £1,920

Last active Jul 26
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WESTGATE BUILDING SERVICES LTD

Relax... you have found a reliable extension builder in Cymmer. WESTGATE BUILDING SERVICES LTD is a friendly and reliable company based in Cymmer w...

From £1,904

Last active Jul 26
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BUILD-TEC CONTRACTORS LTD

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

From £1,984

Last active Jul 26
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S J S Services (Wales) Ltd

S J S Services (Wales) Ltd is a trusted extension builder serving customers in Cymmer and the surrounding area. Contact us to today to get a compet...

From £2,064

Last active Jul 26
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SP Property Maintenance

Need an Extension Builder in Cymmer? SP Property Maintenance has been helping local clients (20 mile radius) with their extension buildering jobs f...

From £1,728

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A POWELL CONSTRUCTION LTD

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

From £1,816

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Excel Home Design Ltd

Excel Home Design Ltd is an established extension buildering business in Cymmer. We come highly recommended and provide competitive quotes for your...

From £1,776

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L E JONES BUILDER

L E JONES BUILDER is an established extension buildering business in Cymmer. We come highly recommended and provide competitive quotes for your wor...

RSJ cost in Cymmer

Estimates for install an rsj near Cymmer

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Cymmer it ranges from £1,728 (A POWELL CONSTRUCTION LTD based in CF44) to £2,096 (Barlam Drylining Ltd based in CF45).

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


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Estimates for common extension builder jobs in Cymmer;

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...