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 W6

GB Buildings & Renovations

From £2,360

Location

Greater London, W6

GB Buildings & Renovations is an established extension buildering business in W6. We come highly recommended and provide competitive quotes for you...

Lux Construction

From £2,440

Relax... you have found a reliable extension builder in W6. Lux Construction is a friendly and reliable company based in W6 who consider no job as ...

New Line Construction Ltd

From £2,416

Location

London, W6

New Line Construction Ltd are a family-run business with eighteen years’ experience and have been helping customers in London and the surrounding...

Jonathan P Spencer Design and Build Limited

From £2,584

Trusted and professional extension builder in W6. Experienced in all extension buildering work and keeping within budget and on quote. Jonathan P S...

Darlo Ltd

From £2,592

Location

London, W6

Darlo Ltd has over 20 years of constructing, refurbishing and transforming buildings for home-owners and commercial clients. We offer a one stop so...

Add Global

From £2,064

Relax... you have found a reliable extension builder in W6. Add Global is a friendly and reliable company based in W6 who consider no job as too bi...

The Great Wolf Construction

From £2,296

The Great Wolf Construction are here to help customers who need an Extension Builder in W6. We offer a competitive rate to complete all your extens...

Newpark Construction

From £2,368

Newpark Construction are here to help customers who need an Extension Builder in W6. We offer a competitive rate to complete all your extension bui...

Specialist Screeding

From £2,600

Location

Hammersmith, W6

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

Knight Refurbishment House Renovation

From £2,536

When it comes to an expert house renovation and professional house refurbishment work in London, the company to trust with your project is Knight R...

RSJ cost in W6

Estimates for install an rsj near W6

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in W6 it ranges from £2,064 (Add Global based in W12) to £2,600 (Specialist Screeding based in W6).

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 W6 by posting a job with HaMuch and we will send it to extension builders in W6.


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Estimates for common extension builder jobs in W6;

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...