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Derren Ward
Green Exteriors Ltd are here to help customers who need an Extension Builder in S60. We offer a competitive rate to complete all your extension bui...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Trusted and professional extension builder in S60. Experienced in all extension buildering work and keeping within budget and on quote. Britishbuil...
Need an Extension Builder in S60? Property Plus has been helping local clients (20 mile radius) with their extension buildering jobs for many years...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in S60 it ranges from £2,040 (Britishbuildogs based in S65) to £3,592 (Green Exteriors Ltd based in S60).
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 S60 by posting a job with HaMuch and we will send it to extension builders in S60.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Rotherham | £32 | £257 |
| Install An RSJ near Wickersley | £32 | £258 |
| Install An RSJ near Sheffield | £32 | £260 |
| Install An RSJ near Dronfield | £33 | £262 |
| Install An RSJ near Barnsley | £31 | £242 |
| Install An RSJ near Worksop | £33 | £265 |
| Install An RSJ near Doncaster | £29 | £238 |
| Install An RSJ near Chesterfield | £33 | £257 |
| Install An RSJ near Bassetlaw | £31 | £243 |
| Install An RSJ near Retford | £31 | £243 |
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 - £17,874

Two storey extension - £88,561

Build a timber frame extension - £26,374

Build a swimming pool - £81,374

Single storey extension - £62,480

Side return extension - £45,708

Install an RSJ - £2,574

Outbuilding - £10,374

Build a Mansard loft conversion - £52,374

Loft conversion - £37,256

Build a kitchen extension - £42,374

Hip to gable loft conversion - £42,374

Granny annexe - £87,374

Garden office - £10,374

Convert a Garage - £16,374

Garage - £18,874

Build a flat roof extension - £22,374

Build a dormer loft conversion - £42,374

Concrete foundations - £6,624

Convert a bungalow loft - £29,374

Convert a basement - £41,708