From £2,144
M C BUILDER (YORKSHIRE) LTD is an established extension buildering business in YO8. We come highly recommended and provide competitive quotes for y...
From £2,008
Trusted and professional extension builder in YO8. Experienced in all extension buildering work and keeping within budget and on quote. NE BUILDING...
From £1,832
Trusted and professional extension builder in YO8. Experienced in all extension buildering work and keeping within budget and on quote. Fearnville ...
From £2,024
Relax... you have found a reliable extension builder in YO8. Foundation Building Services is a friendly and reliable company based in YO8 who consi...
From £2,144
Need an Extension Builder in YO8? D & D Builders has been helping local clients (20 mile radius) with their extension buildering jobs for many year...
From £2,120
Experienced extension builder ready to quote for your work. J W Building Services is the best extension builder in YO8. No obligation free quotes a...
From £2,264
Prestine Property Maintenance Services is an established and experienced local extension builder in YO8. Please contact us for a free, no obligatio...
From £2,064
Harvie Construction is an established and experienced local extension builder in YO8. Please contact us for a free, no obligation quote and competi...
From £1,888
Lace Construction Ltd are here to help customers who need an Extension Builder in YO8. We offer a competitive rate to complete all your extension b...
From £1,944
Trusted and professional extension builder in YO8. Experienced in all extension buildering work and keeping within budget and on quote. MERCER PARK...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in YO8 it ranges from £1,832 (Fearnville Driveways based in LS8) to £2,264 (Prestine Property Maintenance Services based in YO8).
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 YO8 by posting a job with HaMuch and we will send it to extension builders in YO8.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Selby | £30 | £240 |
| Install An RSJ near Goole | £26 | £217 |
| Install An RSJ near Pontefract | £30 | £228 |
| Install An RSJ near Castleford | £30 | £225 |
| Install An RSJ near York | £30 | £229 |
| Install An RSJ near Normanton | £30 | £233 |
| Install An RSJ near Rothwell | £30 | £230 |
| Install An RSJ near Doncaster | £29 | £238 |
| Install An RSJ near Chapeltown | £30 | £232 |
| Install An RSJ near Wakefield | £31 | £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 - £17,343

Two storey extension - £87,765

Build a timber frame extension - £25,843

Build a swimming pool - £80,843

Single storey extension - £51,864

Side return extension - £39,736

Install an RSJ - £2,043

Outbuilding - £9,843

Build a Mansard loft conversion - £51,843

Loft conversion - £32,280

Build a kitchen extension - £41,843

Hip to gable loft conversion - £41,843

Granny annexe - £86,843

Garden office - £9,843

Convert a Garage - £15,843

Garage - £18,343

Build a flat roof extension - £21,843

Build a dormer loft conversion - £41,843

Concrete foundations - £6,093

Convert a bungalow loft - £28,843

Convert a basement - £35,736