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 Wallingford. Experienced in all extension buildering work and keeping within budget and on quote. Jig...

From £2,160

Last active Jun 26
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Threesixfive FM Services Ltd

Martin Patto

Friendly local builder...  professional tidy and competitive....

From £2,080

Last active Apr 26
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JOHN BURDER CONSTRUCTION LIMIT

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

From £2,360

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ASHLEY LEWIS CONSTRUCTION LTD

Location

Wallingford, OX10

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

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 £2,368

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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 £2,056

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AJC PROJECT SERVICES Ltd

AJC PROJECT SERVICES Ltd is an established and experienced local extension builder in Wallingford. Please contact us for a free, no obligation quot...

From £2,296

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Countryside Oak

Countryside Oak is an established and experienced local extension builder in Wallingford. Please contact us for a free, no obligation quote and com...

RSJ cost in Wallingford

Estimates for install an rsj near Wallingford

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Wallingford 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 Wallingford by posting a job with HaMuch and we will send it to extension builders in Wallingford.

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


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Estimates for common extension builder jobs in Wallingford;

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...