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 IG2 extension builders

Compare quotes

Compare quotes

Available extension builders in IG2 reply

Save Money

Save Money

Select your affordable IG2 extension builder

Post your job

From £2,912

Last active Nov 26
Get quotes

Render

Experienced extension builder ready to quote for your work. Render is the best extension builder in IG2. No obligation free quotes and many happy c...

From £2,600

Last active Nov 26
Get quotes

Decorating Building Service

Decorating Building Service are here to help customers who need an Extension Builder in IG2. We offer a competitive rate to complete all your exten...

From £2,376

Get quotes

Fedora and sons Ltd

MIHAI Martolea

Member since September 2026

Fedora and sons Ltd is a trusted extension builder serving customers in IG2 and the surrounding area. Contact us to today to get a competitive quot...

From £2,528

Last active Oct 26
Get quotes

MD Building & Project Management Ltd

Need an Extension Builder in IG2? MD Building & Project Management Ltd has been helping local clients (10 mile radius) with their extension builder...

From £2,232

Last active Oct 26
Get quotes

M & S Builders

M & S Builders is a trusted extension builder serving customers in IG2 and the surrounding area. Contact us to today to get a competitive quote for...

From £2,168

Last active Sep 26
Get quotes

B J CULLEN BUILDERS

B J CULLEN BUILDERS are here to help customers who need an Extension Builder in IG2. We offer a competitive rate to complete all your extension bui...

From £2,232

Last active Sep 26
Get quotes

Major Building Contractors Ltd

Relax... you have found a reliable extension builder in IG2. Major Building Contractors Ltd is a friendly and reliable company based in IG2 who con...

From £2,384

Last active Sep 26
Get quotes

Sz Builders

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

Sz Builders provides a local, trusted extension builderi...

From £2,096

Last active Sep 26
Get quotes

Jhon

Experienced extension builder ready to quote for your work. Jhon is the best extension builder in IG2. No obligation free quotes and many happy cus...

From £2,184

Last active Sep 26
Get quotes

CREATIVE BUILDING SOLUTIONS

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

RSJ cost in IG2

Estimates for install an rsj near IG2

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in IG2 it ranges from £2,096 (Jhon based in IG1) to £2,912 (Render based in IG1).

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 IG2 by posting a job with HaMuch and we will send it to extension builders in IG2.


Estimates for common extension builder jobs in IG2;

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...