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 £2,392

Last active Nov 26

1 review

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Torrington

Torrington Design

NIECEIC / NAAPIT GASSAFE WATER REGULATIONS We offer services towards completion of high end construction projects to dis...

"Did callout made safe my elctrical work thanks" - reviewed 16/05/23, REECYRUSSO

From £2,224

Last active Nov 26
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SH Enterprise

Need the extension buildering job done quickly without breaking the bank? SH Enterprise offer fast, reliable, and affordable extension buildering s...

From £2,176

Last active Nov 26
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SLS BUILDERS LIMITED

SLS BUILDERS LIMITED is a trusted extension builder serving customers in Covent Garden and the surrounding area. Contact us to today to get a compe...

From £2,384

Last active Sep 26
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First guard Roofing

Darren Bergin

Relax... you have found a reliable extension builder in Covent Garden. First guard Roofing is a friendly and reliable company based in Covent Garde...

From £2,520

Last active Sep 26
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D & G Building & Decorating

Experienced extension builder ready to quote for your work. D & G Building & Decorating is the best extension builder in Covent Garden. No obligati...

From £2,576

Last active Sep 26
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CK Constructions & Development Ltd

CK Constructions & Development Ltd is a trusted extension builder serving customers in Covent Garden and the surrounding area. Contact us to today ...

From £2,176

Last active Sep 26
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A to Z Builders Ltd

A to Z Builders Ltd are here to help customers who need an Extension Builder in Covent Garden. We offer a competitive rate to complete all your ext...

From £2,448

Last active Sep 26
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Cornerstones Construction

Experienced extension builder ready to quote for your work. Cornerstones Construction is the best extension builder in Covent Garden. No obligation...

From £2,184

Last active Sep 26
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JK Doors

JK Doors is a trusted extension builder serving customers in Covent Garden and the surrounding area. Contact us to today to get a competitive quote...

From £2,128

Last active Sep 26
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GS Fabric Ltd

GS Fabric Ltd is an established and experienced local extension builder in Covent Garden. Please contact us for a free, no obligation quote and com...

RSJ cost in Covent Garden

Estimates for install an rsj near Covent Garden

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Covent Garden it ranges from £2,128 (GS Fabric Ltd based in E2) to £2,576 (CK Constructions & Development Ltd based in WC1N).

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


Estimates for common extension builder jobs in Covent Garden;

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...