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 £2,072

Last active Nov 26
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G. Finnigan Builders

G. Finnigan Builders is an established extension buildering business in L34. We come highly recommended and provide competitive quotes for your wor...

From £1,904

Last active Nov 26
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Render & External Insulation Specialist

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

From £1,752

Last active Oct 26
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Liverpool Builder

Liverpool Builder is an established extension buildering business in L34. We come highly recommended and provide competitive quotes for your work.<...

From £1,888

Last active Apr 26
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Hyst

Relax... you have found a reliable extension builder in L34. Hyst is a friendly and reliable company based in L34 who consider no job as too big or...

From £2,000

Last active Apr 26
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McBuild

McBuild is a trusted extension builder serving customers in L34 and the surrounding area. Contact us to today to get a competitive quote for extens...

From £2,576

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Aurora Building company ltd

Paul Rossiter

We are Aurora Building Company & we are the home improvement company you can depend upon to help transform your home to suit your needs. We spe...

From £2,504

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Spectrum

Stephen Waddup

Experienced extension builder ready to quote for your work. Spectrum is the best extension builder in L34. No obligation free quotes and many happy...

From £1,304

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Liverpool Direct Builders

Anthony Hulme

Liverpool Direct Builders is a trusted extension builder serving customers in L34 and the surrounding area. Contact us to today to get a competitiv...

From £2,096

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HIGHTOWN CONSTRUCTION LTD

HIGHTOWN CONSTRUCTION LTD is an established extension buildering business in L34. We come highly recommended and provide competitive quotes for you...

From £2,000

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Freyaroseofficiallimited

Event planning interior designer new to buisness platform but have project managed a lot of my own home projects and organised events for birthdays...

RSJ cost in L34

Estimates for install an rsj near L34

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in L34 it ranges from £1,304 (Liverpool Direct Builders based in L14) to £2,576 (Aurora Building company ltd based in L12).

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 L34 by posting a job with HaMuch and we will send it to extension builders in L34.

"Install an RSJ" - L36, job posted 27/09/26


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Get extension builder rates instantly (excluding VAT or callout charges)
Location in UKHourly RateDaily Rate
Install An RSJ near Prescot£31£223
Install An RSJ near Knowsley£31£222
Install An RSJ near Huyton with Roby£31£225
Install An RSJ near St Helens£31£224
Install An RSJ near Kirkby£31£224
Install An RSJ near Widnes£31£220
Install An RSJ near Halton£31£220
Install An RSJ near Bootle£33£228
Install An RSJ near Maghull£34£231
Install An RSJ near Liverpool£31£222

Estimates for common extension builder jobs in L34;

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...