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 Ballymena extension builders

Compare quotes

Compare quotes

Available extension builders in Ballymena reply

Save Money

Save Money

Select your affordable Ballymena extension builder

Install an RSJ cost in Ballymena

RSJ cost in Ballymena

Estimates for install an rsj near Ballymena

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Ballymena it ranges from £0 ( based in 0) to £0 ( based in 0).

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

"RSJ installation, I am looking for a price to source and install two beams, photos attached of measurements. Thanks." - BT43, job posted 05/06/26


Get extension builder rates instantly

Get extension builder rates instantly (excluding VAT or callout charges)
Location in UKHourly RateDaily Rate
Install An RSJ near Ballyclare£20£124
Install An RSJ near Magherafelt£30£238
Install An RSJ near Ballymoney£21£187
Install An RSJ near Crumlin£26£194
Install An RSJ near Greenisland£23£153
Install An RSJ near Coleraine£23£201
Install An RSJ near Carrickfergus£23£158
Install An RSJ near Belfast£23£161
Install An RSJ near Holywood£23£159
Install An RSJ near Maghaberry£31£205

Estimates for common extension builder jobs in Ballymena;

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...