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. 

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Install an RSJ cost in CO12

Edwin Lewis Dickinson Ltd

From £2,344

Edwin Lewis Dickinson is a well established company providing all of its customers with the very highest quality of workmanship using only the best...

B.UK Property Services

From £2,128

Our company is built on trust and communication with our clients.We are of firm belief that our customers needs are of the utmost importance.

AP Laflin Builders Ltd

From £2,256

Relax... you have found a reliable extension builder in CO12. AP Laflin Builders Ltd is a friendly and reliable company based in CO12 who consider ...

T.S Stone Restoration

From £1,752

Qualified stonerestorer 35years experience own public liability insurance. 

Worked on numerous listedbuilding  through out &nb...

A M F BUILDING CONTRACTOR

From £1,872

Experienced extension builder ready to quote for your work. A M F BUILDING CONTRACTOR is the best extension builder in CO12. No obligation free quo...

Stately Home Developments Ltd

From £2,056

From Grandfather to Grandson, we have a combined experience of over 40 years within the construction industry providing a wide range of building se...

Greyline Property Care and Improvement

From £2,176

Greyline Interiors is a family run home refurbishment business with an eye for the latest trends and traditional values.We strive for quality, valu...

James Francis

From £2,000

Trusted and professional extension builder in CO12. Experienced in all extension buildering work and keeping within budget and on quote. James Fran...

San Diego Construction Inc

From £2,312

San Diego Construction Custom Homes has experience building homes in the UK, Canada and the United States since 1999. It was founded on quality and...

Caley & Son

From £1,496

Caley & Son are here to help customers who need an Extension Builder in CO12. We offer a competitive rate to complete all your extension buildering...

RSJ cost in CO12

Estimates for install an rsj near CO12

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in CO12 it ranges from £1,496 (Caley & Son based in IP3) to £2,344 (Edwin Lewis Dickinson Ltd based in CO12).

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 CO12 by posting a job with HaMuch and we will send it to extension builders in CO12.


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Get extension builder rates instantly (excluding VAT or callout charges)
Location in UKHourly RateDaily Rate
Install An RSJ near Harwich£34£248
Install An RSJ near Felixstowe£31£231
Install An RSJ near Tendring£31£226
Install An RSJ near Ipswich£33£235
Install An RSJ near Clacton-on-Sea£31£232
Install An RSJ near Colchester£33£230
Install An RSJ near Suffolk Coastal£28£215
Install An RSJ near Stowmarket£30£221
Install An RSJ near Sudbury£34£229
Install An RSJ near Maldon£36£244

Estimates for common extension builder jobs in CO12;

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...