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 New Cross extension builders

Compare quotes

Compare quotes

Available extension builders in New Cross reply

Save Money

Save Money

Select your affordable New Cross extension builder

Post your job

From £2,256

Last active Oct 26
Get quotes

The Perfectionist

Experienced extension builder ready to quote for your work. The Perfectionist is the best extension builder in New Cross. No obligation free quotes...

From £2,448

Last active Sep 26
Get quotes

Cornerstones Construction

Experienced extension builder ready to quote for your work. Cornerstones Construction is the best extension builder in New Cross. No obligation fre...

From £2,408

Last active Sep 26
Get quotes

Vidanov Building Services

Trusted and professional extension builder in New Cross. Experienced in all extension buildering work and keeping within budget and on quote. Vidan...

From £2,456

Last active Sep 26
Get quotes

DUWIX BUILDING MAINTENANCE

DUWIX BUILDING MAINTENANCE are here to help customers who need an Extension Builder in New Cross. We offer a competitive rate to complete all your ...

From £2,296

Last active Sep 26
Get quotes

Building and Plastering Solution

Peter Cesma

Experienced builder in all aspects of building works. All work guaranteed. Quality finish, promt ,honest and reliable services.  Public liabil...

From £2,376

Last active Aug 26
Get quotes

Home Tranformers Ltd

At Home Tranformers Ltd we have been fitting bespoke bathrooms for over 10 years. We pride ourselves on being the go-to bathroom fitters for discer...

From £2,656

Last active Jul 26
Get quotes

Ask Building

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

Ask Building provides a local, trusted extension builder...

From £2,520

Last active Jul 26
Get quotes

Renobuild Group

Daniel Dixon

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

Renobuild Group provides a local, trusted extension buil...

From £2,624

Last active May 26
Get quotes

AAA Design Decorators

AAA Design Decorators are here to help customers who need an Extension Builder in New Cross. We offer a competitive rate to complete all your exten...

From £2,400

Last active May 26
Get quotes

ROOSE CONSTRUCTION LTD

Trusted and professional extension builder in New Cross. Experienced in all extension buildering work and keeping within budget and on quote. ROOSE...

RSJ cost in New Cross

Estimates for install an rsj near New Cross

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in New Cross it ranges from £2,256 (The Perfectionist based in SE22) to £2,656 (Ask Building based in SE1).

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


Estimates for common extension builder jobs in New Cross;

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...