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 £2,072

Last active Oct 26
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M & D BUILDING & DECORATING

M & D BUILDING & DECORATING are here to help customers who need an Extension Builder in E4. We offer a competitive rate to complete all your extens...

From £2,632

Last active Oct 26
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MM-Builders

Shelim Miah

Maintenance and repair 

Family run business from 2006

 

 

From £2,192

Last active Sep 26
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Loft and Teams Ltd

Sajmar Metali

Location

London, E4

Loft and Teams Ltd is an established extension buildering business in E4. We come highly recommended and provide competitive quotes for your work.<...

From £2,512

Last active Jun 26
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Kagimu Builders Ltd

Relax... you have found a reliable extension builder in E4. Kagimu Builders Ltd is a friendly and reliable company based in E4 who consider no job ...

From £2,456

Last active Jun 26
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KJ Darby Building Contracts Ltd

KJ Darby Building Contracts Ltd is an established and experienced local extension builder in E4. Please contact us for a free, no obligation quote ...

From £2,512

Last active May 26
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Paul Francis

Trusted and professional extension builder in E4. Experienced in all extension buildering work and keeping within budget and on quote. Paul Francis...

From £2,080

Last active Nov 25
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Supreme Lofts Ltd

Location

London, E4

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

Supreme Lofts Ltd provides a local, trusted extension bu...

From £2,440

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Tip Top Lofts

Relax... you have found a reliable extension builder in E4. Tip Top Lofts is a friendly and reliable company based in E4 who consider no job as too...

From £2,400

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UK BUILDING WORKS LTD

Location

Chingford, E4

Trusted and professional extension builder in E4. Experienced in all extension buildering work and keeping within budget and on quote. UK BUILDING ...

From £2,608

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K J B Loft Conversions & Extensions

K J B Loft Conversions & Extensions is a trusted extension builder serving customers in E4 and the surrounding area. Contact us to today to get a c...

RSJ cost in E4

Estimates for install an rsj near E4

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in E4 it ranges from £2,072 (M & D BUILDING & DECORATING based in E17) to £2,632 (MM-Builders based in N9).

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 E4 by posting a job with HaMuch and we will send it to extension builders in E4.


Estimates for common extension builder jobs in E4;

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...