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.

HaMuch is Excellent

Install an RSJ cost in RG10 - Sort by rates or availability

From £2,632

(last active 01/10/26)
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DP Services

DP Services is a fully insured friendly local company which has been trading since 2002 and delivers high quality building work in domestic extensi...

From £2,464

(last active 07/05/26)
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Building & Flooring Solutions

Building & Flooring Solutions is a trusted extension builder serving customers in RG10 and the surrounding area. Contact us to today to get a compe...

From £2,368

(last active 07/05/26)
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CLYBURN CONSTRUCTION LTD

Relax... you have found a reliable extension builder in RG10. CLYBURN CONSTRUCTION LTD is a friendly and reliable company based in RG10 who conside...

From £2,584

(last active 07/05/26)
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Ad Swadling Building

Experienced extension builder ready to quote for your work. Ad Swadling Building is the best extension builder in RG10. No obligation free quotes a...

From £2,248

(last active 07/05/26)
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Berkshire Environmental Services Ltd

Dean Coles

Berkshire Environmental Services has been renovating property in the Reading Berkshire area for over many years. Our client...

From £2,576

(last active 07/04/26)
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WARRICK BUILDING

Experienced extension builder ready to quote for your work. WARRICK BUILDING is the best extension builder in RG10. No obligation free quotes and m...

From £2,136

(last active 28/02/26)
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Forest Builders

Forest Builders is an established extension buildering business in RG10. We come highly recommended and provide competitive quotes for your work.

From £2,328

(last active 28/02/26)
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DMP Ridgeway Roofing & Building Contract

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

From £2,240

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J C LORD BUILDING PROJECTS

Relax... you have found a reliable extension builder in RG10. J C LORD BUILDING PROJECTS is a friendly and reliable company based in RG10 who consi...

From £2,384

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IT CONSTRUCTION LIMITED

Experienced extension builder ready to quote for your work. IT CONSTRUCTION LIMITED is the best extension builder in RG10. No obligation free quote...

RSJ cost in RG10

Estimates for install an rsj near RG10

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in RG10 it ranges from £2,136 (Forest Builders based in RG41) to £2,632 (DP Services based in RG41).

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 RG10 by posting a job with HaMuch and we will send it to extension builders in RG10.


Get extension builder rates instantly

Get extension builder rates instantly (excluding VAT or callout charges)
Location in UKHourly RateDaily Rate
Install An RSJ near Woodley£42£266
Install An RSJ near Caversham£38£265
Install An RSJ near Wokingham£41£279
Install An RSJ near Reading£42£266
Install An RSJ near Bracknell Forest£41£287
Install An RSJ near Maidenhead£41£273
Install An RSJ near Bracknell£41£285
Install An RSJ near Sandhurst£41£283
Install An RSJ near Ascot£41£276
Install An RSJ near Windsor£41£271

Estimates for common extension builder jobs in RG10;

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...