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. 

Install an RSJ cost in SY10 - Sort by rates or availability

OPH Joinery

From £2,288

(last active 22/09/26)

Relax... you have found a reliable extension builder in SY10. OPH Joinery is a friendly and reliable company based in SY10 who consider no job as t...

M Davies & Sons

From £2,216

(last active 08/09/26)

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

Richard Sherratt Builders Ltd

From £1,784

(last active 25/05/26)

Trusted and professional extension builder in SY10. Experienced in all extension buildering work and keeping within budget and on quote. Richard Sh...

Guest & Roberts

From £2,248

(last active 08/05/26)

Experienced extension builder ready to quote for your work. Guest & Roberts is the best extension builder in SY10. No obligation free quotes and ma...

David Williams General Builder & Maintenance

From £2,784

(last active 21/04/26)

Relax... you have found a reliable extension builder in SY10. David Williams General Builder & Maintenance is a friendly and reliable company based...

DMS Building Services

From £2,272

(last active 24/10/25)

DMS Building Services are here to help customers who need an Extension Builder in SY10. We offer a competitive rate to complete all your extension ...

J S CONSTRUCTION

From £2,056

Trusted and professional extension builder in SY10. Experienced in all extension buildering work and keeping within budget and on quote. J S CONSTR...

Your Home Made Ltd

From £2,040

Relax... you have found a reliable extension builder in SY10. Your Home Made Ltd is a friendly and reliable company based in SY10 who consider no j...

Fistral ltd

From £2,128

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

Fistral ltd provides a local, trusted extension builderi...

Kevin Davies Building Contractors

From £1,920

In the trade since left school(1990),accommodating and reliable, 

RSJ cost in SY10

Estimates for install an rsj near SY10

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in SY10 it ranges from £1,784 (Richard Sherratt Builders Ltd based in SY5) to £2,784 (David Williams General Builder & Maintenance based in LL11).

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 SY10 by posting a job with HaMuch and we will send it to extension builders in SY10.


Get extension builder rates instantly

Get extension builder rates instantly (excluding VAT or callout charges)
Location in UKHourly RateDaily Rate
Install An RSJ near Wrexham Maelor£34£261
Install An RSJ near Wrexham£34£263
Install An RSJ near Shrewsbury£32£249
Install An RSJ near Vale Royal£35£251
Install An RSJ near Flintshire£33£224
Install An RSJ near Hawarden£33£228
Install An RSJ near Chester£32£220
Install An RSJ near The Wrekin£30£236
Install An RSJ near Connah's Quay£33£229
Install An RSJ near Telford£30£241

Estimates for common extension builder jobs in SY10;

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...