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.

HaMuch is Excellent

How HaMuch saves you money

Post your job for free

Post your job for free

We send your job to ALL KT4 extension builders

Compare quotes

Compare quotes

Available extension builders in KT4 reply

Save Money

Save Money

Select your affordable KT4 extension builder

Post your job

From £3,000

Rates updated Oct 26
Get quotes

GDW Construction

Relax... you have found a reliable extension builder in KT4. GDW Construction is a friendly and reliable company based in KT4 who consider no job a...

From £2,136

Last active Oct 26
Get quotes

D A P CONSTRUCTION

David Phelan

Please visit our web site.  Www. Dapconstruction. Co . Uk to c all our work and client recommendations.

From £2,488

Last active Oct 26
Get quotes

Hilton building contractors ltd

Hilton building contractors ltd is a trusted extension builder serving customers in KT4 and the surrounding area. Contact us to today to get a comp...

From £2,200

Last active Oct 26
Get quotes

Ascent Builders

Mick Winn

All of our work is guaranteed and covered by public liability and third party insurance for £5 million, giving our customers absolute peace of min...

From £2,328

Last active Oct 26
Get quotes

Refine Property Maintenance Ltd

Our building services company Refine Property Maintenance Ltd was established in 2020. Since then we have been helping customers in and around Epso...

From £2,464

Last active Oct 26
Get quotes

RM Sanwell Roofing

RM Sanwell Roofing is a trusted extension builder serving customers in KT4 and the surrounding area. Contact us to today to get a competitive quote...

From £2,704

Last active Oct 26
Get quotes

CSJ Building Services

Trusted and professional extension builder in KT4. Experienced in all extension buildering work and keeping within budget and on quote. CSJ Buildin...

From £2,440

Last active Aug 26
Get quotes

Flanagan Construction Ltd

Tom Flanagan

Very experienced Builder in this area ,Epsom Sutton  Raynes pk Wimbledon areas mostly now on recommendation usually also supply Drawings&a Structu...

From £2,448

Last active Jun 26
Get quotes

Racsel Building Services Ltd

Trusted and professional extension builder in KT4. Experienced in all extension buildering work and keeping within budget and on quote. Racsel Buil...

From £2,464

Last active Jun 26
Get quotes

Racsel Building Services Ltd

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

Racsel Building Services Ltd provides a local, trusted e...

RSJ cost in KT4

Estimates for install an rsj near KT4

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in KT4 it ranges from £2,136 (D A P CONSTRUCTION based in KT4) to £3,000 (GDW Construction based in SM3).

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 KT4 by posting a job with HaMuch and we will send it to extension builders in KT4.


Estimates for common extension builder jobs in KT4;

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...