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 £2,352

Last active Jul 26
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3Lance Developments Limited

Relax... you have found a reliable extension builder in New Forest. 3Lance Developments Limited is a friendly and reliable company based in New For...

From £2,144

Last active Jul 26
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GOTHIC CONSTRUCTION LTD

GOTHIC CONSTRUCTION LTD is an established and experienced local extension builder in New Forest. Please contact us for a free, no obligation...

From £2,056

Last active Jun 26
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Trowel On

Trowel On is an established extension buildering business in New Forest. We come highly recommended and provide competitive quotes for your work.

From £2,008

Last active May 26
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ACCOLADE BUILDING CARE LIMITED

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

From £2,232

Last active May 26
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Accolade Building Care Ltd. T/A ABC

Need an Extension Builder in New Forest? Accolade Building Care Ltd. T/A ABC has been helping local clients (20 mile radius) with their extension b...

From £2,128

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GDS Building & Maintenance Ltd

GDS Building & Maintenance Ltd is an established and experienced local extension builder in New Forest. Please contact us for a free, no obligation...

From £1,488

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James Golby Construction

James Golby

All our work carries a life time guarantee , If we did it and you have a problem we want to know about it. Not the bloke in the pub or your next do...

From £2,216

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MARK VIGRASS

Mark Vigrass

General building services 

From £2,320

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Advance Shutters Ltd

Advance Shutters Ltd is an established and experienced local extension builder in New Forest. Please contact us for a free, no obligation quote and...

From £2,344

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MILESTONE BUILDING CONTRACTORS

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

MILESTONE BUILDING CONTRACTORS provides a local, trusted...

RSJ cost in New Forest

Estimates for install an rsj near New Forest

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in New Forest it ranges from £1,488 (James Golby Construction based in SO51) to £2,352 (3Lance Developments Limited based in SO41).

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


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Estimates for common extension builder jobs in New Forest;

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...