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.

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

From £2,184

(last active 29/05/26)
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Bob Shearer Property Maintenance, Building & Roofing

Location

Andover, SP10

Relax... you have found a reliable extension builder in Andover. Bob Shearer Property Maintenance, Building & Roofing is a friendly and reliable co...

From £1,952

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4Walls Project Management Ltd

4Walls Project Management Ltd is an established and experienced local extension builder in Andover. Please contact us for a free, no obligation quo...

From £2,096

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Groundcraft Ltd

Location

Andover, SP10

Relax... you have found a reliable extension builder in Andover. Groundcraft Ltd is a friendly and reliable company based in Andover who consider n...

From £2,304

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Eds Builders

Relax... you have found a reliable extension builder in Andover. Eds Builders is a friendly and reliable company based in Andover who consider no j...

From £2,272

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DMT Construction t/a

DMT Construction t/a are here to help customers who need an Extension Builder in Andover. We offer a competitive rate to complete all your extensio...

From £2,320

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Shadow UK Construction Ltd

Our building services company Shadow UK Construction Ltd was established in March 2022, but have been providing professional, trustworthy building ...

RSJ cost in Andover

Estimates for install an rsj near Andover

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Andover it ranges from £1,952 (4Walls Project Management Ltd based in SP10) to £2,320 (Shadow UK Construction Ltd based in SO20).

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


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Estimates for common extension builder jobs in Andover;

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...