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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. 

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Install an RSJ cost in PO1

Jack Leng Building Services

From £2,040

Building services with over 10 years experience all work completed to the highest standard call for a quote.

JKS Property

From £2,376

JKS Property is an established and experienced local extension builder in PO1. Please contact us for a free, no obligation quote and competitive ra...

IndieGo Build

From £2,120

Relax... you have found a reliable extension builder in PO1. IndieGo Build is a friendly and reliable company based in PO1 who consider no job as t...

BUILD PROJECT LIMITED

From £2,192

BUILD PROJECT LIMITED are here to help customers who need an Extension Builder in PO1. We offer a competitive rate to complete all your extension b...

Abacus Building Services

From £2,096

Abacus Building Services is an established and experienced local extension builder in PO1. Please contact us for a free, no obligation quote and co...

Buildtech southern Ltd

From £2,216

Need an Extension Builder in PO1? Buildtech southern Ltd has been helping local clients (20 mile radius) with their extension buildering jobs for m...

ARCHIBUILD

From £2,208

ARCHIBUILD design, build and deliver exciting design driven projects for clients who share our passion for spaces and places that benefit people.We...

Pompey Homes Ltd

From £2,200

Experienced extension builder ready to quote for your work. Pompey Homes Ltd is the best extension builder in PO1. No obligation free quotes and ma...

Shepperd Developments

From £2,168

Experienced extension builder ready to quote for your work. Shepperd Developments is the best extension builder in PO1. No obligation free quotes a...

SODCON

From £2,016

Architectural services, Design of office ,hotel, transport building,Residential .From Conceptual work to Appication.

RSJ cost in PO1

Estimates for install an rsj near PO1

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in PO1 it ranges from £2,016 (SODCON based in PO2) to £2,376 (JKS Property based in PO5).

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 PO1 by posting a job with HaMuch and we will send it to extension builders in PO1.

"RSJ installation" - PO2


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Estimates for common extension builder jobs in PO1;

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...