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 £1,632

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Lawtons Property Services

Trusted and professional extension builder in Milford Haven. Experienced in all extension buildering work and keeping within budget and on quote. L...

From £1,384

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Cleaning Services - We Can Do It

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

From £1,416

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Gainzy Builders

Experienced extension builder ready to quote for your work. Gainzy Builders is the best extension builder in Milford Haven. No obligation free quot...

From £1,424

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Gripp Construction

David Griffiths

Reliable . Quility workmanship 

RSJ cost in Milford Haven

Estimates for install an rsj near Milford Haven

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Milford Haven it ranges from £1,384 (Cleaning Services - We Can Do It based in SA73) to £1,632 (Lawtons Property Services based in SA73).

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


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Get extension builder rates instantly (excluding VAT or callout charges)
Location in UKHourly RateDaily Rate
Install An RSJ near Milford Haven£18£159
Install An RSJ near Pembrokeshire£19£163
Install An RSJ near Carmarthenshire£26£205

Estimates for common extension builder jobs in Milford Haven;

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...