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 £2,400

Last active Sep 26
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Oxon Construction & Renovation

The business can carry out all aspects of building work:- single or double storey extensions- kitchen and bathroom installations- p...

From £2,392

Last active Aug 26
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Catlin Ltd

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

From £2,296

Last active Jun 26
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Jigsaw Complete Building Limited

Trusted and professional extension builder in South Oxfordshire. Experienced in all extension buildering work and keeping within budget and on quot...

From £2,080

Last active Apr 26
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JOHN BURDER CONSTRUCTION LIMIT

Relax... you have found a reliable extension builder in South Oxfordshire. JOHN BURDER CONSTRUCTION LIMIT is a friendly and reliable company based ...

From £2,360

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ASHLEY LEWIS CONSTRUCTION LTD

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

From £2,080

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JKT BUILDERS

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

From £2,056

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AJC PROJECT SERVICES Ltd

AJC PROJECT SERVICES Ltd is an established and experienced local extension builder in South Oxfordshire. Please contact us for a free, no obligatio...

From £2,368

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Inside Out Oxford, Bespoke Garden Rooms

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

Inside Out Oxford, Bespoke Garden Rooms provides a loca...

From £2,592

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Steel Brook Construction

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

Steel Brook Construction provides a local, trusted exten...

From £2,080

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PERNA CONSTRUCTION LTD

Trusted and professional extension builder in South Oxfordshire. Experienced in all extension buildering work and keeping within budget and on quot...

RSJ cost in South Oxfordshire

Estimates for install an rsj near South Oxfordshire

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in South Oxfordshire it ranges from £2,056 (AJC PROJECT SERVICES Ltd based in OX10) to £2,592 (Steel Brook Construction based in OX10).

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

"RSJ installation" - OX10, job posted 01/01/70


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Estimates for common extension builder jobs in South Oxfordshire;

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...