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 Get quotes.

HaMuch is Excellent

Install an RSJ cost in Allenton - Sort by rates or availability

From £1,968

Last active Oct 26
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GETI Developments

GETI Developments is an established extension buildering business in Allenton. We come highly recommended and provide competitive quotes for your w...

From £2,112

Last active Oct 26
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M F Westwick Construction Ltd

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

M F Westwick Construction Ltd provides a local, trusted ...

From £1,856

Last active Oct 26
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Garage Door Restore

Experienced extension builder ready to quote for your work. Garage Door Restore is the best extension builder in Allenton. No obligation free quote...

From £2,464

Last active Jun 26
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Seerey and Smith Building Solutions

John Smoth

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

From £2,096

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Derbyshire Bathrooms & Kitchens Ltd

Derbyshire Bathrooms & Kitchens Ltd is an established and experienced local extension builder in Allenton. Please contact us for a free, no obligat...

From £2,312

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J Pearson Building

Location

Allenton, DE24

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

J Pearson Building provides a local, trusted extension b...

From £2,064

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Refresh Renovations Derbyshire

Nestled in the rolling hillside of the West Midlands, Derby is a city birthed by the Roman Empire, and grown in the industrial revolution. Initiall...

From £2,104

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Fearn Property

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

From £1,952

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Fitted Solutions Ltd

Fitted Solutions was established in 2006 by founder Sam Fisher; with a promise to deliver exceptional craftmanship combined with first class custom...

From £1,944

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The Blackbrook Group

The Blackbrook Group offers a one-stop shop for your construction project. We offer support from concept through to completion. We start with an in...

RSJ cost in Allenton

Estimates for install an rsj near Allenton

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Allenton it ranges from £1,856 (Garage Door Restore based in NG10) to £2,464 (Seerey and Smith Building Solutions based in DE7).

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

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

"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


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£29£227
Install An RSJ near Erewash£31£234
Install An RSJ near Long Eaton£32£249
Install An RSJ near Ilkeston£31£236
Install An RSJ near Amber Valley£32£244
Install An RSJ near Swadlincote£32£249
Install An RSJ near Belper£32£244
Install An RSJ near Burton upon Trent£33£257
Install An RSJ near Heanor£31£236
Install An RSJ near Broxtowe£34£240

Estimates for common extension builder jobs in Allenton;

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...