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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Available extension builders in Down reply

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From £1,336

Last active Jun 26
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Mount Oriel Conversions & Extensions

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

Mount Oriel Conversions & Extensions provides a local, t...

From £1,568

Last active May 26
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SM Plumbing & Heating

Relax... you have found a reliable extension builder in Down. SM Plumbing & Heating is a friendly and reliable company based in Down who consider n...

From £1,496

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Ballantine building solutions

Ballantine building solutions is an established extension buildering business in Down. We come highly recommended and provide competitive quotes fo...

From £1,688

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AK Building Services

Adam King

Ak building 

From £1,584

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Designco Ltd

Designco Ltd is an established extension buildering business in Down. We come highly recommended and provide competitive quotes for your work.

...

From £1,376

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Extended living by Gilbert-Ash

Trusted and professional extension builder in Down. Experienced in all extension buildering work and keeping within budget and on quote. Extended l...

From £1,464

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DGA

Trusted and professional extension builder in Down. Experienced in all extension buildering work and keeping within budget and on quote. DGA have m...

RSJ cost in Down

Estimates for install an rsj near Down

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Down it ranges from £1,336 (Mount Oriel Conversions & Extensions based in BT8) to £1,688 (AK Building Services based in BT8).

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


Get extension builder rates instantly

Get extension builder rates instantly (excluding VAT or callout charges)
Location in UKHourly RateDaily Rate
Install An RSJ near Comber£22£160
Install An RSJ near Holywood£23£159
Install An RSJ near Ballygowan£24£183
Install An RSJ near Belfast£23£161
Install An RSJ near Carryduff£23£158
Install An RSJ near Bangor£24£183
Install An RSJ near Bangor£24£183
Install An RSJ near Greenisland£23£153
Install An RSJ near Saintfield£23£162
Install An RSJ near Carrickfergus£23£158

Estimates for common extension builder jobs in Down;

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...