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 Mitchell - Sort by rates or availability

From £2,088

(last active 07/03/26)
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Elements Build SW Ltd

Elements Build SW Ltd is an established and experienced local extension builder in Mitchell. Please contact us for a free, no obligation quote and ...

From £2,088

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HANDLEY BUILDERS

HANDLEY BUILDERS is an established and experienced local extension builder in Mitchell. Please contact us for a free, no obligation quote and compe...

From £2,144

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MYSA

Creative Carpentry and Design Studio based in Newquay, Cornwall.

From £1,832

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KC DESIGN AND BUILD

Relax... you have found a reliable extension builder in Mitchell. KC DESIGN AND BUILD is a friendly and reliable company based in Mitchell who cons...

From £1,872

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A Collins Building Contractor

A Collins Building Contractor is a trusted extension builder serving customers in Mitchell and the surrounding area. Contact us to today to get a c...

From £1,904

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Cannon and Son Ltd.

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

From £1,904

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Cannon and Son Ltd.

From start to finish, your project will be undertaken by one of the family, providing the utmost care and quality of workmanship. We’ll work with...

RSJ cost in Mitchell

Estimates for install an rsj near Mitchell

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Mitchell it ranges from £1,832 (KC DESIGN AND BUILD based in TR2) to £2,144 (MYSA based in TR7).

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


Get extension builder rates instantly

Get extension builder rates instantly (excluding VAT or callout charges)
Location in UKHourly RateDaily Rate
Install An RSJ near Newquay£32£230
Install An RSJ near Truro£31£206
Install An RSJ near St Austell£38£245
Install An RSJ near Camborne£28£196
Install An RSJ near Falmouth£33£220
Install An RSJ near St Ives, Cornwall£27£188

Estimates for common extension builder jobs in Mitchell;

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...