From £1,936
Need an Extension Builder in CH42? PK.Builders has been helping local clients (20 mile radius) with their extension buildering jobs for many years....
From £1,728
Relax... you have found a reliable extension builder in CH42. Eco Construction Systems Ltd is a friendly and reliable company based in CH42 who con...
From £1,592
SJBuild Ltd is an established and experienced local extension builder in CH42. Please contact us for a free, no obligation quote and competitive ra...
From £2,080
Danny Anderson Builder is an established extension buildering business in CH42. We come highly recommended and provide competitive quotes for your ...
From £2,152
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £1,936
Trusted and professional extension builder in CH42. Experienced in all extension buildering work and keeping within budget and on quote. MA Roofing...
From £1,944
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £2,104
Glassrooms is an established extension buildering business in CH42. We come highly recommended and provide competitive quotes for your work.
From £1,952
Need an Extension Builder in CH42? ARGYLE BUILDING AND MAINTENANCE has been helping local clients (20 mile radius) with their extension buildering ...
From £2,216
Art Henry's are here to help customers who need an Extension Builder in CH42. We offer a competitive rate to complete all your extension buildering...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in CH42 it ranges from £1,592 (SJBuild Ltd based in CH63) to £2,216 (Art Henry's based in L8).
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 CH42 by posting a job with HaMuch and we will send it to extension builders in CH42.
"RSJ installation" - WIRRAL
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Birkenhead | £33 | £232 |
| Install An RSJ near Bebington | £31 | £222 |
| Install An RSJ near Wirral | £31 | £219 |
| Install An RSJ near Liverpool | £33 | £232 |
| Install An RSJ near Wallasey | £34 | £236 |
| Install An RSJ near Heswall | £30 | £213 |
| Install An RSJ near Bootle | £34 | £235 |
| Install An RSJ near Crosby | £34 | £223 |
| Install An RSJ near Ellesmere Port | £31 | £214 |
| Install An RSJ near Huyton with Roby | £33 | £240 |
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.

Underpin a building - £17,264

Two storey extension - £87,646

Build a timber frame extension - £25,764

Build a swimming pool - £80,764

Single storey extension - £50,280

Side return extension - £38,845

Install an RSJ - £1,964

Outbuilding - £9,764

Build a Mansard loft conversion - £51,764

Loft conversion - £31,538

Build a kitchen extension - £41,764

Hip to gable loft conversion - £41,764

Granny annexe - £86,764

Garden office - £9,764

Convert a Garage - £15,764

Garage - £18,264

Build a flat roof extension - £21,764

Build a dormer loft conversion - £41,764

Concrete foundations - £6,014

Convert a bungalow loft - £28,764

Convert a basement - £34,845