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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Available extension builders in CW2 reply

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From £1,848

Last active Jun 26
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Progress Construction

Andy Davies

Progress Construction are here to help customers who need an Extension Builder in CW2. We offer a competitive rate to complete all your extension b...

From £1,968

Last active Jun 26
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House Heroes

Relax... you have found a reliable extension builder in CW2. House Heroes is a friendly and reliable company based in CW2 who consider no job as to...

From £2,248

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Rik Seaton (Brickwork Specialist)

Rik Seaton (Brickwork Specialist) is an established and experienced local extension builder in CW2. Please contact us for a free, no obligation quo...

From £2,104

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Hough Construction

Relax... you have found a reliable extension builder in CW2. Hough Construction is a friendly and reliable company based in CW2 who consider no job...

From £1,416

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AJM Building

Anthony Mcconnell

Relax... you have found a reliable extension builder in CW2. AJM Building is a friendly and reliable company based in CW2 who consider no job as to...

RSJ cost in CW2

Estimates for install an rsj near CW2

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in CW2 it ranges from £1,416 (AJM Building based in CW2) to £2,248 (Rik Seaton (Brickwork Specialist) based in CW1).

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 CW2 by posting a job with HaMuch and we will send it to extension builders in CW2.

"RSJ corrosion repair quote" - CREWE, job posted 08/07/25


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Estimates for common extension builder jobs in CW2;

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...