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 De3 9f

Taylormade Conservatories

From £2,104

(last active 19/09/26)

Taylormade Conservatories are a local conservatory building company based in Coalville. For 42 years, we have been providing excellent conservatory...

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...

Asl Contracts

From £2,152

(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...

J M Lidwell

From £2,088

(last active 17/09/26)

Experienced extension builder ready to quote for your work. J M Lidwell is the best extension builder in De3 9f. No obligation free quotes and many...

IH Properties Ltd

From £2,240

(last active 17/09/26)

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

Mac Building Services

From £1,896

(last active 17/09/26)

Relax... you have found a reliable extension builder in De3 9f. Mac Building Services is a friendly and reliable company based in De3 9f who consid...

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 De3 9f. 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 De3 9f. Bennett Damp Proofing & Timber is a friendly and reliable company based in De3 9f w...

RSJ cost in De3 9f

Estimates for install an rsj near De3 9f

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in De3 9f it ranges from £1,200 (HUSKINSON CONSTR SRVCS LTD based in NG16) to £2,240 (IH Properties Ltd based in LE67).

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 De3 9f by posting a job with HaMuch and we will send it to extension builders in De3 9f.

"RSJ installation Remove wall between kitchen and utility. Fit 3.4m steel beam Obtain Building Control approval and aign off" - DE3, job posted 01/01/70

"RSJ installation" - DERBY, job posted 07/11/25


Get extension builder rates instantly

Get extension builder rates instantly (excluding VAT or callout charges)
Location in UKHourly RateDaily Rate
Install An RSJ near Derby£30£228
Install An RSJ near Amber Valley£31£238
Install An RSJ near Belper£32£244
Install An RSJ near Burton upon Trent£32£255
Install An RSJ near Erewash£31£234
Install An RSJ near Ilkeston£31£236
Install An RSJ near Heanor£31£236
Install An RSJ near Swadlincote£31£248
Install An RSJ near Ripley£32£246
Install An RSJ near Long Eaton£32£249

Estimates for common extension builder jobs in De3 9f;

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...