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 green button.

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From £2,312

Last active Oct 26
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Bristol Building Co.Ltd

Bristol Building Co.Ltd is an established and experienced local extension builder in BS15. Please contact us for a free, no obligation quote and co...

From £2,352

Last active Oct 26
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J GREEN PLASTERING LTD

J GREEN PLASTERING LTD are here to help customers who need an Extension Builder in BS15. We offer a competitive rate to complete all your extension...

From £1,976

Last active Oct 26
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MSH Construction (Bristol) Ltd

Simon Hill

Relax... you have found a reliable extension builder in BS15. MSH Construction (Bristol) Ltd is a friendly and reliable company based in BS15 who c...

From £2,024

Last active Oct 26
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24 7 BUILDING SOLUTIONS LTD

Sarah Godwin

24 7 BUILDING SOLUTIONS LTD is a trusted extension builder serving customers in BS15 and the surrounding area. Contact us to today to get a competi...

From £2,456

Last active Oct 26
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Symmetry Design And Build

Symmetry Design And Build is a trusted extension builder serving customers in BS15 and the surrounding area. Contact us to today to get a competiti...

From £2,056

Last active Oct 26
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SMJ Construction

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

From £2,744

Last active Oct 26
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GARY G BOND LIMITED

Gary

GARY G BOND LIMITED are here to help customers who need an Extension Builder in BS15. We offer a competitive rate to complete all your extension bu...

From £2,280

Last active Oct 26
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HYATT BUILDING SERVICES

HYATT BUILDING SERVICES are here to help customers who need an Extension Builder in BS15. We offer a competitive rate to complete all your extensio...

From £1,952

Last active Sep 26
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Concept Solutions Bristol Ltd

Concept Solutions Bristol Ltd is an established and experienced local extension builder in BS15. Please contact us for a free, no obligation quote ...

From £2,720

Last active Aug 26
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ST GEORGES HOMES (UK) LTD

Martin Malby

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

ST GEORGES HOMES (UK) LTD provides a local, trusted exte...

RSJ cost in BS15

Estimates for install an rsj near BS15

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in BS15 it ranges from £1,952 (Concept Solutions Bristol Ltd based in BS15) to £2,744 (GARY G BOND LIMITED based in BS16).

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 BS15 by posting a job with HaMuch and we will send it to extension builders in BS15.

"RSJ installation Kitchen extension" - BS14, job posted 03/06/24

"RSJ installation" - BS14, job posted 25/03/26


Get extension builder rates instantly

Get extension builder rates instantly (excluding VAT or callout charges)
Location in UKHourly RateDaily Rate
Install An RSJ near Kingswood£34£257
Install An RSJ near Bristol£33£255
Install An RSJ near Keynsham£33£251
Install An RSJ near South Gloucestershire£34£260
Install An RSJ near Clifton£33£255
Install An RSJ near Bradley Stoke£34£259
Install An RSJ near Yate£34£263
Install An RSJ near Bath£32£249
Install An RSJ near Portishead£33£247
Install An RSJ near North Somerset£32£245

Estimates for common extension builder jobs in BS15;

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...