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. 

Install an RSJ cost in LE1 - Sort by rates or availability

From £2,104
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Taylormade Conservatories

(last active 06/10/26)

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

From £2,160
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Mark Anthony Builders

(last active 05/10/26)

Mark Anthony Builders are here to help customers who need an Extension Builder in LE1. We offer a competitive rate to complete all your extension b...

From £2,024
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M.J Greatrex Ltd

(last active 05/10/26)

Need an Extension Builder in LE1? M.J Greatrex Ltd has been helping local clients (20 mile radius) with their extension buildering jobs for many ye...

From £2,144
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TKB Construction

(last active 05/10/26)

Experienced extension builder ready to quote for your work. TKB Construction is the best extension builder in LE1. No obligation free quotes and ma...

From £1,880
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Disney Building Services

(last active 02/10/26)

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

Disney Building Services provides a local, trusted exten...

From £1,992
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Colin Pallett

(last active 02/10/26)

Colin Pallett is a trusted extension builder serving customers in LE1 and the surrounding area. Contact us to today to get a competitive quote for ...

From £1,872
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C & S Builders

(last active 02/10/26)

C & S Builders is an established extension buildering business in LE1. We come highly recommended and provide competitive quotes for your work.

...

From £2,056
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M & O BUILDING CONTRACTORS

(last active 28/09/26)

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

From £2,056
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Pal Iberian Contractors & Quantity

(last active 22/09/26)

We are building contractors specialising in building extensions & Dormer Conversion. With some general building work.

From £2,104
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FJ Property Care Ltd

(last active 19/09/26)

With extensive extension buildering experience, we provide reliable, high-quality workmanship at competitive prices. FJ Property Care Ltd understan...

RSJ cost in LE1

Estimates for install an rsj near LE1

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in LE1 it ranges from £1,872 (C & S Builders based in LE2) to £2,160 (Mark Anthony Builders based in CV7).

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 LE1 by posting a job with HaMuch and we will send it to extension builders in LE1.

"RSJ installation, load bearing 6.5m, calculations required" - LE18, job posted 01/01/70


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Estimates for common extension builder jobs in LE1;

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...