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 £2,712

Rates verified Oct 26
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Mandala Building Services

Mandala Building Services is a family-owned design and build maintenance company, encompassing everything from residential refurbishment to large-s...

From £2,312

Last active Nov 26
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JJSR Construction Ltd

J Wijayamohan

JJSR Construction Ltd is an established and experienced local extension builder in Borehamwood. Please contact us for a free, no obligation quote a...

From £2,496

Last active Nov 26
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BELLVIEW BUILDERS LTD

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

BELLVIEW BUILDERS LTD provides a local, trusted extensio...

From £2,560

Last active Nov 26
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A&J BUILDERS & DECORATORS LTD

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

From £2,392

Last active Nov 26
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SJ Expert Building Services

SJ Expert Building Services are here to help customers who need an Extension Builder in Borehamwood. We offer a competitive rate to complete all yo...

From £2,760

Last active Oct 26
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Rafix Building

Rafal Szczepanski

Our homes need to be regularly maintained and from time to time they need to be rejuvenated, modernised and enhanced. When it comes to building wor...

From £2,664

Last active Oct 26
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AV Home Improvements

In an unstable market house extensions are often the most viable option, helping you to get the most out of the space you have without the addition...

From £2,624

Last active Oct 26
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Sharp Building Ltd

Sharp Building Ltd is an established and experienced local extension builder in Borehamwood. Please contact us for a free, no obligation quote and ...

From £2,224

Last active Oct 26
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Mario Prajar Building Services

Mario Prajar Building Services is an established and experienced local extension builder in Borehamwood. Please contact us for a free, no obligatio...

From £2,296

Last active Oct 26
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RLC Construction

RLC Construction are here to help customers who need an Extension Builder in Borehamwood. We offer a competitive rate to complete all your extensio...

RSJ cost in Borehamwood

Estimates for install an rsj near Borehamwood

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Borehamwood it ranges from £2,224 (Mario Prajar Building Services based in HA2) to £2,760 (Rafix Building based in EN4).

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


Get extension builder rates instantly

Get extension builder rates instantly (excluding VAT or callout charges)
Location in UKHourly RateDaily Rate
Install An RSJ near Borehamwood£42£271
Install An RSJ near High Barnet£43£272
Install An RSJ near Bushey£43£278
Install An RSJ near Potters Bar£43£273
Install An RSJ near Brent Cross£43£273
Install An RSJ near Watford£43£280
Install An RSJ near Harrow£43£270
Install An RSJ near Muswell Hill£44£273
Install An RSJ near St Albans£43£272
Install An RSJ near Hatfield£42£266

Estimates for common extension builder jobs in Borehamwood;

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...