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 £2,544

Last active Oct 26
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Roberts & Co

Roberts & Co is a family run business est.2009. We specialize in Kitchen extensions and Loft conversions, and cover Hertfordshire, Essex and Greate...

From £3,760

Last active Jun 26
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Flamstead Building Services Ltd

Ilir/leo Shkembi

Dear All, I’m a plumber and heating  engineer, I have  access to all other trades guys that are willing to work long hours and at the weekends ...

From £2,584

Last active Jun 26
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IMS Building Services

Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

From £2,552

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GP Property Services

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

GP Property Services provides a local, trusted extension...

From £2,296

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Loft Guru

Location

Waltham cross, EN7

Loft Guru is an established extension buildering business in EN7. We come highly recommended and provide competitive quotes for your work.

From £2,128

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MPG CONSTRUCTION

Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

From £2,344

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PM Heating & Contractors Ltd

Trusted and professional extension builder in EN7. Experienced in all extension buildering work and keeping within budget and on quote. PM Heating ...

From £2,568

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C.B.Buildings & Claims Limited T/A Concept Solutions 3 Counties

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

C.B.Buildings & Claims Limited T/A Concept Solutions 3 C...

From £2,472

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Herts Renovations

Location

Waltham Cross, EN7

Herts Renovations is a trusted extension builder serving customers in EN7 and the surrounding area. Contact us to today to get a competitive quote ...

From £2,464

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FFDECOR LTD

Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

RSJ cost in EN7

Estimates for install an rsj near EN7

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in EN7 it ranges from £2,128 (MPG CONSTRUCTION based in EN7) to £3,760 (Flamstead Building Services Ltd based in EN8).

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 EN7 by posting a job with HaMuch and we will send it to extension builders in EN7.


Estimates for common extension builder jobs in EN7;

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...