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.

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From £2,024

Last active Jul 26
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CWN Developments Ltd

Location

Chelmsford, CM2

Relax... you have found a reliable extension builder in Chelmsford. CWN Developments Ltd is a friendly and reliable company based in Chelmsford who...

From £2,304

Last active Jul 26
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Art Developments

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

From £2,560

Last active Jul 26
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Mr.

Ian Young

Location

Chelmsford, CM1

Mr. is a trusted extension builder serving customers in Chelmsford and the surrounding area. Contact us to today to get a competitive quote for ext...

From £2,224

Last active Jul 26
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NEVENDON CONSTRUCTION LTD

Relax... you have found a reliable extension builder in Chelmsford. NEVENDON CONSTRUCTION LTD is a friendly and reliable company based in Chelmsfor...

From £2,096

Last active Jul 26
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Newman Multi Trade Services

Location

Chelmsford, CM1

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

Newman Multi Trade Services provides a local, trusted ex...

From £2,328

Last active Jul 26
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Martin Womersley Building Services

Martin Womersley Building Services is an established extension buildering business in Chelmsford. We come highly recommended and provide competitiv...

From £2,112

Last active Jul 26
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Prestige Roofing Contractors Ltd

Location

Chelmsford, CM1

Prestige Roofing Contractors Ltd are here to help customers who need an Extension Builder in Chelmsford. We offer a competitive rate to complete al...

From £2,088

Last active Jul 26
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Storm Roofing Essex

Location

Chelmsford, CM1

Storm Roofing Essex are here to help customers who need an Extension Builder in Chelmsford. We offer a competitive rate to complete all your extens...

From £2,096

Last active Jun 26
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Mark scrutton

Mark Scrutton

Mark scrutton is a trusted extension builder serving customers in Chelmsford and the surrounding area. Contact us to today to get a competitive qu...

From £2,464

Last active Jun 26
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Billericay Loft Conversions

Billericay Loft Conversions is a trusted extension builder serving customers in Chelmsford and the surrounding area. Contact us to today to get a c...

RSJ cost in Chelmsford

Estimates for install an rsj near Chelmsford

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Chelmsford it ranges from £2,024 (CWN Developments Ltd based in CM2) to £2,560 (Mr. based in CM1).

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


Get extension builder rates instantly

Get extension builder rates instantly (excluding VAT or callout charges)
Location in UKHourly RateDaily Rate
Install An RSJ near Chelmsford£38£258
Install An RSJ near Billericay£38£248
Install An RSJ near Witham£36£240
Install An RSJ near Wickford£39£255
Install An RSJ near Maldon£36£244
Install An RSJ near Brentwood£39£255
Install An RSJ near Braintree£37£247
Install An RSJ near Basildon£39£251
Install An RSJ near Rayleigh£39£252
Install An RSJ near Thundersley£38£251

Estimates for common extension builder jobs in Chelmsford;

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...