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 Washington

ORILLA CONSTRUCTION SOLUTIONS

From £1,984

Relax... you have found a reliable extension builder in Washington. ORILLA CONSTRUCTION SOLUTIONS is a friendly and reliable company based in Washi...

John Barrett Joiner Builder

From £3,080

Location

Washington, NE37

Established 1983 . For more info visit web site please . Worked in industry for over 40 years. 

HST ENG LTD

From £2,480

HST ENG LTD is an established extension buildering business in Washington. We come highly recommended and provide competitive quotes for your work....

Skyline Loft Conversions (NE) Ltd

From £2,048

Skyline Loft Conversions (NE) Ltd is an established and experienced local extension builder in Washington. Please contact us for a free, no obligat...

Home Grown NE

From £2,112

Our building services company Home Grown NE has been providing professional, trustworthy building services to customers throughout the North-East f...

OCC Construction

From £1,240

Member since July 2020

I have over 40 years experience in the field of construction. Thank you and I hope I will be of service to you.

David Robertson builders

From £5,192

Trusted and professional extension builder in Washington. Experienced in all extension buildering work and keeping within budget and on quote. Davi...

Dave Ogle

From £2,392

Dave Ogle is an established and experienced local extension builder in Washington. Please contact us for a free, no obligation quote and competitiv...

Key Building Solutions

From £2,680

On time/ professional/ time served/trustworthy

L F BUILDING & JOINERY

From £2,032

Experienced extension builder ready to quote for your work. L F BUILDING & JOINERY is the best extension builder in Washington. No obligation free ...

RSJ cost in Washington

Estimates for install an rsj near Washington

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Washington it ranges from £1,240 (OCC Construction based in NE10) to £5,192 (David Robertson builders based in Sr4).

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

"RSJ installation" - SUNDERLAND, job posted 01/01/70


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Estimates for common extension builder jobs in Washington;

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...