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 TR7 - Sort by rates or availability

From £2,088

(last active 07/03/26)
Get quotes

Elements Build SW Ltd

Elements Build SW Ltd is an established and experienced local extension builder in TR7. Please contact us for a free, no obligation quote and compe...

From £2,088

Get quotes

HANDLEY BUILDERS

HANDLEY BUILDERS is an established and experienced local extension builder in TR7. Please contact us for a free, no obligation quote and competitiv...

From £2,144

Get quotes

MYSA

Creative Carpentry and Design Studio based in Newquay, Cornwall.

RSJ cost in TR7

Estimates for install an rsj near TR7

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in TR7 it ranges from £2,088 (Elements Build SW Ltd based in TR7) 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 TR7 by posting a job with HaMuch and we will send it to extension builders in TR7.


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 TR7;

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...