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 £2,176

Last active Nov 26
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SLS BUILDERS LIMITED

Location

Kentish Town, NW5

SLS BUILDERS LIMITED is a trusted extension builder serving customers in NW5 and the surrounding area. Contact us to today to get a competitive quo...

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 NW5. First guard Roofing is a friendly and reliable company based in NW5 who consider no jo...

From £2,840

Last active Sep 26
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ELJHANI BUILDING & PROPERTY MANAGEMENT SERVICES LTD

Hussein Eljhani

We are highly professional Builders Company, hones pricing and reliable, we leave all areas clean and tidy.

From £2,184

Last active Aug 26
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Andreas Thomas Demetri

Andreas Thomas Demetri is a trusted extension builder serving customers in NW5 and the surrounding area. Contact us to today to get a competitive q...

From £2,416

Last active Aug 26
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Buildwiser

Buildwiser is a trusted extension builder serving customers in NW5 and the surrounding area. Contact us to today to get a competitive quote for ext...

From £2,576

Last active Feb 26
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EUROBUILD PROPERTIES CO LTD

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

EUROBUILD PROPERTIES CO LTD provides a local, trusted ex...

From £2,336

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Brothers Group

Our building services company Brothers Group have been helping customers in North, East and West London and the surrounding area by providing profe...

From £2,536

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Mel Massey Studio

Mel Massey Studio, based in Finsbury Park, North London, offers interior design, interior styling and project management. With over 10 years of exp...

From £2,200

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Bok Services Ltd

Need an Extension Builder in NW5? Bok Services Ltd has been helping local clients (5 mile radius) with their extension buildering jobs for many yea...

From £2,688

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Novo Solutions Group Ltd

Welcome to Novo Solutions Group Ltd - Your premier building construction and renovation specialists. Based in the UK, Novo Solutions Group...

RSJ cost in NW5

Estimates for install an rsj near NW5

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in NW5 it ranges from £2,176 (SLS BUILDERS LIMITED based in NW5) to £2,840 (ELJHANI BUILDING & PROPERTY MANAGEMENT SERVICES LTD based in NE4).

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 NW5 by posting a job with HaMuch and we will send it to extension builders in NW5.


Estimates for common extension builder jobs in NW5;

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...