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 £2,392

Last active Sep 26
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A W PAVING LTD

Anthony Withey

Trusted and professional extension builder in Cowes. Experienced in all extension buildering work and keeping within budget and on quote. A W PAVIN...

From £2,176

Last active Jul 26
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O NEILL CONSTRUCTION LTD

O NEILL CONSTRUCTION LTD is an established extension buildering business in Cowes. We come highly recommended and provide competitive quotes for yo...

From £2,136

Last active Jul 26
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Peter Fenn Property

Peter Fenn Property is a trusted extension builder serving customers in Cowes and the surrounding area. Contact us to today to get a competitive qu...

From £2,120

Last active Jul 26
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M.K Warner Building Services

M.K Warner Building Services is an established extension buildering business in Cowes. We come highly recommended and provide competitive quotes fo...

From £2,128

Last active Apr 26
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MA Builders

Relax... you have found a reliable extension builder in Cowes. MA Builders is a friendly and reliable company based in Cowes who consider no job as...

From £2,080

Last active Apr 26
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P D Builders

P D Builders is an established and experienced local extension builder in Cowes. Please contact us for a free, no obligation quote and competitive ...

From £1,952

Last active Apr 26
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Allweather Building Services Ltd

Allweather Building Services Ltd are here to help customers who need an Extension Builder in Cowes. We offer a competitive rate to complete all you...

From £2,224

Last active Apr 26
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STONEHAM CONSTRUCTION LIMITED

Experienced extension builder ready to quote for your work. STONEHAM CONSTRUCTION LIMITED is the best extension builder in Cowes. No obligation fre...

From £2,136

Last active Apr 26
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DG Builder

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

From £2,216

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HISTORIC BUILD RESTORATION LTD

HISTORIC BUILD RESTORATION LTD are here to help customers who need an Extension Builder in Cowes. We offer a competitive rate to complete all your ...

RSJ cost in Cowes

Estimates for install an rsj near Cowes

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Cowes it ranges from £1,952 (Allweather Building Services Ltd based in PO12) to £2,392 (A W PAVING LTD based in SO31).

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


Get extension builder rates instantly

Get extension builder rates instantly (excluding VAT or callout charges)
Location in UKHourly RateDaily Rate
Install An RSJ near Isle of Wight£34£246
Install An RSJ near Lee-on-the-Solent£35£249
Install An RSJ near Ryde£34£255
Install An RSJ near Gosport£35£246
Install An RSJ near Locks Heath£33£240
Install An RSJ near Fareham£35£250
Install An RSJ near Portsmouth£36£250
Install An RSJ near Hedge End£34£244
Install An RSJ near Southampton£34£243
Install An RSJ near Totton£34£243

Estimates for common extension builder jobs in Cowes;

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...