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 £2,080

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Can design and Construction

Erald Kanani

Member since August 2025

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

From £2,912

Last active Nov 26
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Render

Experienced extension builder ready to quote for your work. Render is the best extension builder in Manor Park. No obligation free quotes and many ...

From £2,600

Last active Nov 26
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Decorating Building Service

Decorating Building Service are here to help customers who need an Extension Builder in Manor Park. We offer a competitive rate to complete all you...

From £2,472

Last active Nov 26
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Kunshi Services UK Ltd

Kunshi Services UK Ltd is a trusted extension builder serving customers in Manor Park and the surrounding area. Contact us to today to get a compet...

From £2,376

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Fedora and sons Ltd

MIHAI Martolea

Member since September 2026

Fedora and sons Ltd is a trusted extension builder serving customers in Manor Park and the surrounding area. Contact us to today to get a competiti...

From £2,384

Last active Nov 26
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CC&D BUILDING LTD

Catalin CIOBANU

Experienced extension builder ready to quote for your work. CC&D BUILDING LTD is the best extension builder in Manor Park. No obligation free quote...

From £2,368

Last active Oct 26
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M Saleem Builders

Relax... you have found a reliable extension builder in Manor Park. M Saleem Builders is a friendly and reliable company based in Manor Park who co...

From £2,352

Last active Oct 26
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UK Drywall Ltd

UK Drywall Ltd is an established and experienced local extension builder in Manor Park. Please contact us for a free, no obligation quote and compe...

From £2,296

Last active Oct 26
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KS Plastering SERVICE

Sampson Essien

Thistle Bonding Coat: Ideal for use on low-suction backgrounds such as brick or concrete blocks, this product provided a solid foundation, Thi...

From £2,408

Last active Oct 26
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GNB Construction Builders Ltd

Trusted and professional extension builder in Manor Park. Experienced in all extension buildering work and keeping within budget and on quote. GNB ...

RSJ cost in Manor Park

Estimates for install an rsj near Manor Park

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Manor Park it ranges from £2,080 (Can design and Construction based in Ig11) to £2,912 (Render based in IG1).

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


Estimates for common extension builder jobs in Manor Park;

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...