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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. 

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Install an RSJ cost in S20

Oliver Wild Ltd

From £2,112

Oliver Wild Ltd is an established extension buildering business in S20. We come highly recommended and provide competitive quotes for your work.

MGG CONSTRUCTION LTD

From £2,064

Trusted and professional extension builder in S20. Experienced in all extension buildering work and keeping within budget and on quote. MGG CONSTRU...

S. & A. Parsons (Building Contractors) Limited

From £2,336

S. & A. Parsons (Building Contractors) Limited is a trusted extension builder serving customers in S20 and the surrounding area. Contact us to toda...

JHM Property Services Ltd

From £2,544

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

JHM Property Services Ltd provides a local, trusted exte...

Maison Frais

From £2,384

Trusted and professional extension builder in S20. Experienced in all extension buildering work and keeping within budget and on quote. Maison Frai...

Maison Frais

From £2,104

Looking to Transform Your Home Space?Maison Frais are Space Solution Specialists based in S. Yorkshire. We help TRANSFORM people's family homes to ...

MRP Design And Build Limited

From £2,296

MRP Design And Build Limited is an established extension buildering business in S20. We come highly recommended and provide competitive quotes for ...

C ROWLEY (SELFBUILD)

From £2,056

C ROWLEY (SELFBUILD) is an established and experienced local extension builder in S20. Please contact us for a free, no obligation quote and compet...

C.J.I Property Maintenance

From £2,592

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

C.J.I Property Maintenance provides a local, trusted ext...

A Field Construction LTD

From £2,208

We are a family run business with 20 years experience.

We take great care and attention to the work we carry out and pride ourselves on ...

RSJ cost in S20

Estimates for install an rsj near S20

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in S20 it ranges from £2,056 (C ROWLEY (SELFBUILD) based in S43) to £2,592 (C.J.I Property Maintenance based in S8).

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 S20 by posting a job with HaMuch and we will send it to extension builders in S20.


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Estimates for common extension builder jobs in S20;

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...