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 £2,376

Last active Oct 26
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H Plus Global Ltd

This business has not added a description yet.

From £2,632

Last active Sep 26
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ZNS Construction

Need an Extension Builder in TW6? ZNS Construction has been helping local clients (10 mile radius) with their extension buildering jobs for many ye...

From £2,216

Last active Mar 26
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Danny's Home Renovation

We offer a wide range of building services to meet every type of projects.- Bathroom renovation- Kitchen refurbishment- Home extensions / conservat...

From £1,928

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VEM INSULATION LIMITED

Emanuel Vodnar

At VEM Insulation Limited, we specialize in providing top-tier construction services including Exterior and interior Insulation, Plumbing and Drain...

From £2,200

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Rhino Builders Ltd

Our building services company Rhino Builders Ltd was established in 2019. With over 16 years’ experience in the building trade, we help customers...

From £2,528

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My Garden Room

My Garden Room is an established extension buildering business in TW6. We come highly recommended and provide competitive quotes for your work.

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From £2,512

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My Garden Room

My Garden Room - exceptional garden buildings. Designed, delivered and installed all over the UK. Visit our London showroom!

From £2,464

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The Market Design & Build

The Market Design & Build is an established extension buildering business in TW6. We come highly recommended and provide competitive quotes for you...

From £2,448

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Bizy Construction Ltd

Relax... you have found a reliable extension builder in TW6. Bizy Construction Ltd is a friendly and reliable company based in TW6 who consider no ...

From £2,480

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Ryan and Collins Ltd.

Need an Extension Builder in TW6? Ryan and Collins Ltd. has been helping local clients (10 mile radius) with their extension buildering jobs for ma...

RSJ cost in TW6

Estimates for install an rsj near TW6

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in TW6 it ranges from £1,928 (VEM INSULATION LIMITED based in tw19) to £2,632 (ZNS Construction based in TW14).

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 TW6 by posting a job with HaMuch and we will send it to extension builders in TW6.


Estimates for common extension builder jobs in TW6;

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...