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 £2,336

Last active May 26
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Arkson builders ltd

Benjamin Belsey

Arkson builders ltd is an established and experienced local extension builder in Downton. Please contact us for a free, no obligation quote and com...

From £1,048

Last active May 26
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Floortrak Limited

Alex Molyneux

We specialise in Epoxy Resin and Polyurethane floor coatings and screeds (very durable and seamless flooring), designed for retail, factories, manu...

From £2,352

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Moores Build

Need an Extension Builder in Downton? Moores Build has been helping local clients (20 mile radius) with their extension buildering jobs for many ye...

From £1,512

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NHBC

Noel Higginson

NHBC takes great pride in what it does with a very high attention to detail 

From £2,240

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BARTITIONS DESIGN & BUILD LTD

Location

Downton, SP5

Need an Extension Builder in Downton? BARTITIONS DESIGN & BUILD LTD has been helping local clients (20 mile radius) with their extension builderin...

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...

From £2,408

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STEWART BUILDERS

Location

Downton, SP5

STEWART BUILDERS is an established and experienced local extension builder in Downton. Please contact us for a free, no obligation quote and compet...

From £2,512

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Shape Project Management

Shape Project Management is an established and experienced local extension builder in Downton. Please contact us for a free, no obligation quote an...

From £2,072

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R F S BUILDERS

Location

Downton, SP5

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

R F S BUILDERS provides a local, trusted extension build...

From £2,280

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STEVE PALMER BUILDING

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

RSJ cost in Downton

Estimates for install an rsj near Downton

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Downton it ranges from £1,048 (Floortrak Limited based in SO51) to £2,512 (Shape Project Management based in SP5).

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


Get extension builder rates instantly

Get extension builder rates instantly (excluding VAT or callout charges)
Location in UKHourly RateDaily Rate
Install An RSJ near Salisbury£35£247
Install An RSJ near New Forest£32£245
Install An RSJ near Romsey£32£230
Install An RSJ near Test Valley£37£261
Install An RSJ near Totton£34£243
Install An RSJ near Chandler's Ford£34£245
Install An RSJ near Eastleigh£34£244
Install An RSJ near Southampton£34£243
Install An RSJ near Andover£40£248
Install An RSJ near Christchurch£36£251

Estimates for common extension builder jobs in Downton;

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...