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 L9 - Sort by rates or availability

From £1,776

Last active Oct 26
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BTC Bernstef Ltd

BTC Bernstef Ltd is an established extension buildering business in L9. We come highly recommended and provide competitive quotes for your work.

From £1,872

Last active Oct 26
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J.M.C Building Services

J.M.C Building Services is a trusted extension builder serving customers in L9 and the surrounding area. Contact us to today to get a competitive q...

From £2,104

Last active Oct 26
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Bob the Builder

Need an Extension Builder in L9? Bob the Builder has been helping local clients (20 mile radius) with their extension buildering jobs for many year...

From £2,136

Last active Oct 26
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P & P Building Services

Peter Gallagher

Experienced extension builder ready to quote for your work. P & P Building Services is the best extension builder in L9. No obligation free quotes ...

From £1,960

Last active Oct 26
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CJ Construction

CJ Construction are here to help customers who need an Extension Builder in L9. We offer a competitive rate to complete all your extension builderi...

From £1,752

Last active Oct 26
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Liverpool Builder

Liverpool Builder is an established extension buildering business in L9. We come highly recommended and provide competitive quotes for your work.

From £1,904

Last active Oct 26
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Render & External Insulation Specialist

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

From £1,968

Last active Oct 26
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KM Building Services

Relax... you have found a reliable extension builder in L9. KM Building Services is a friendly and reliable company based in L9 who consider no job...

From £2,112

Last active Sep 26
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Derek J Platt & Co

Need to find an Extension Builder near you for all your extension buildering work?

Derek J Platt & Co provides a local, trusted extension b...

From £1,992

Last active Sep 26
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J J Nuttall Specialist Roofing Ltd

J J Nuttall Specialist Roofing Ltd are here to help customers who need an Extension Builder in L9. We offer a competitive rate to complete all your...

RSJ cost in L9

Estimates for install an rsj near L9

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in L9 it ranges from £1,752 (Liverpool Builder based in L12) to £2,136 (P & P Building Services based in L11).

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 L9 by posting a job with HaMuch and we will send it to extension builders in L9.

"RSJ installation" - LIVERPOOL, job posted 04/09/25

"Install an RSJ" - L36, job posted 01/01/70


Get extension builder rates instantly

Get extension builder rates instantly (excluding VAT or callout charges)
Location in UKHourly RateDaily Rate
Install An RSJ near Bootle£32£224
Install An RSJ near Kirkby£31£224
Install An RSJ near Crosby£33£223
Install An RSJ near Maghull£33£220
Install An RSJ near Liverpool£31£222
Install An RSJ near Sefton£33£221
Install An RSJ near Wallasey£32£224
Install An RSJ near Knowsley£31£222
Install An RSJ near Birkenhead£31£219
Install An RSJ near Prescot£31£223

Estimates for common extension builder jobs in L9;

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...