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 Newark

Key Construction

From £1,520

(last active 19/09/26)

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

Constructive Choice Ltd

From £2,152

(last active 19/09/26)

We offer a range of building services that are tailored to meet the specific needs of our clients. Whether you are looking to extend your home, con...

Your MRH Development Ltd

From £1,832

(last active 12/09/26)

Your MRH Development Ltd is an established extension buildering business in Newark. We come highly recommended and provide competitive quotes for y...

HUSKINSON CONSTR SRVCS LTD

From £1,200

(last active 10/09/26)

Honest, reliable, experienced building/civil engineering contractor established in 2001.

JG Design & Build

From £2,224

(last active 10/09/26)

JG Design & Build is an established extension buildering business in Newark. We come highly recommended and provide competitive quotes for your wor...

Bennett Damp Proofing & Timber

From £2,056

(last active 10/09/26)

Relax... you have found a reliable extension builder in Newark. Bennett Damp Proofing & Timber is a friendly and reliable company based in Newark w...

Patrick David Building Services Limited

From £2,136

(last active 10/09/26)

Need an Extension Builder in Newark? Patrick David Building Services Limited has been helping local clients (20 mile radius) with their extension b...

Tall Tree Builders

From £2,088

(last active 10/09/26)

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

RMS Building Services

From £1,960

(last active 10/09/26)

RMS Building Services is a trusted extension builder serving customers in Newark and the surrounding area. Contact us to today to get a competitive...

MGG CONSTRUCTION LTD

From £2,064

(last active 08/09/26)

Trusted and professional extension builder in Newark. Experienced in all extension buildering work and keeping within budget and on quote. MGG CONS...

RSJ cost in Newark

Estimates for install an rsj near Newark

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Newark it ranges from £1,200 (HUSKINSON CONSTR SRVCS LTD based in NG16) to £2,224 (JG Design & Build based in NG8).

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


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Estimates for common extension builder jobs in Newark;

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...