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 Northern Quarter

Aquatec Builder

From £1,160

Member since November 2019

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

DC Contractors

From £1,992

(last active 22/09/26)

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

DC Contractors provides a local, trusted extension build...

David Anderson Builders

From £1,976

(last active 22/09/26)

Relax... you have found a reliable extension builder in Northern Quarter. David Anderson Builders is a friendly and reliable company based in North...

ESBP Specialists Ltd

From £2,160

(last active 22/09/26)

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

ESBP Specialists Ltd provides a local, trusted extension...

We Build

From £2,048

(last active 22/09/26)

Trusted and professional extension builder in Northern Quarter. Experienced in all extension buildering work and keeping within budget and on quote...

Valdecor

From £1,384

(last active 22/09/26)

20 years experience. 

Great recommendations. 

MK Builders

From £1,808

(last active 22/09/26)

Need an Extension Builder in Northern Quarter? MK Builders has been helping local clients (20 mile radius) with their extension buildering jobs for...

Fit-on Garage Doors

From £1,832

(last active 22/09/26)

Trusted and professional extension builder in Northern Quarter. Experienced in all extension buildering work and keeping within budget and on quote...

Northern Garage Conversion

From £2,248

(last active 22/09/26)

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

CM BUILDING SERVICES

From £2,112

(last active 22/09/26)

Relax... you have found a reliable extension builder in Northern Quarter. CM BUILDING SERVICES is a friendly and reliable company based in Northern...

RSJ cost in Northern Quarter

Estimates for install an rsj near Northern Quarter

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Northern Quarter it ranges from £1,160 (Aquatec Builder based in OL10) to £2,248 (Northern Garage Conversion based in OL9).

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

"RSJ installation replacing a badly installed RSJ that supports a wall between the old kitchen and rear lounge. The original builder installed the incorrect weight (not heavy enough) and then proceeded to put a suppirt bar underneath by welding. The weld buckled the beam and this is how its been..." - SK4, job posted 01/01/70

"Install an RSJ" - M27, job posted 09/02/26


Get extension builder rates instantly

Get extension builder rates instantly (excluding VAT or callout charges)
Location in UKHourly RateDaily Rate
Install An RSJ near Manchester£32£236
Install An RSJ near Old Trafford£32£236
Install An RSJ near Salford£32£238
Install An RSJ near Droylsden£34£237
Install An RSJ near Failsworth£35£236
Install An RSJ near Prestwich£31£234
Install An RSJ near Stretford£32£235
Install An RSJ near Reddish£34£236
Install An RSJ near Middleton£31£227
Install An RSJ near Swinton£32£235

Estimates for common extension builder jobs in Northern Quarter;

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...