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 £2,280

Last active Nov 26
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D WHYTON BUILDING SERVICES LTD

Location

Portland, DT5

D WHYTON BUILDING SERVICES LTD is a trusted extension builder serving customers in Portland and the surrounding area. Contact us to today to get a ...

From £1,672

Last active Nov 26
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WEYMOUTH ROOFING CO.

WEYMOUTH ROOFING CO. is an established and experienced local extension builder in Portland. Please contact us for a free, no obligation quote and c...

From £2,392

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J FLANN BUILDING & MAINTENANCE

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

J FLANN BUILDING & MAINTENANCE provides a local, trusted...

From £2,232

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Design Properties & Renovations

Design Properties & Renovations is an established and experienced local extension builder in Portland. Please contact us for a free, no obligation ...

From £2,736

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Roofix and Build Ltd

Our building services company Roofix and Build Ltd have twenty years experience of helping customers in Weymouth and the surrounding area by provid...

From £2,208

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Harbour Property Improvements Limited

We are a small business priding oueselves on high quality works carried out with care and attention. We use a select few subcontractors to help com...

From £2,344

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Upcycle Interiors Limited

Weymouth based property Investment and Re-development: Upcycling discarded materials to provide bespoke interior refurbishments, full property reno...

From £2,248

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DM Building & Property Maintenance

Danny McGrady

DM Building & Property Maintenance is a trusted extension builder serving customers in Portland and the surrounding area. Contact us to today to ge...

From £2,216

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Dorset Showhomes Ltd

Dorset Showhomes Ltd is an established extension buildering business in Portland. We come highly recommended and provide competitive quotes for you...

From £2,736

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Chris Larner building services

Chris Larner building services is a trusted extension builder serving customers in Portland and the surrounding area. Contact us to today to get a ...

RSJ cost in Portland

Estimates for install an rsj near Portland

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Portland it ranges from £1,672 (WEYMOUTH ROOFING CO. based in DT4) to £2,736 (Roofix and Build Ltd based in DT4).

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


Get extension builder rates instantly

Get extension builder rates instantly (excluding VAT or callout charges)
Location in UKHourly RateDaily Rate
Install An RSJ near Weymouth£33£260
Install An RSJ near Dorchester£30£230
Install An RSJ near Poole£38£250
Install An RSJ near Bournemouth£38£257
Install An RSJ near Yeovil£34£294

Estimates for common extension builder jobs in Portland;

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...