Derren Ward
Green Exteriors Ltd are here to help customers who need an Extension Builder in S61. We offer a competitive rate to complete all your extension bui...
BP Builders are here to help customers who need an Extension Builder in S61. We offer a competitive rate to complete all your extension buildering ...
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 S61. Experienced in all extension buildering work and keeping within budget and on quote. Britishbuil...
Need an Extension Builder in S61? 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 S61 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 S61 by posting a job with HaMuch and we will send it to extension builders in S61.
"I need a quote for RSJ installation under the chimney breast in living room" - S73, job posted 01/01/70
| 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 | £261 |
| Install An RSJ near Barnsley | £31 | £242 |
| Install An RSJ near Dronfield | £33 | £262 |
| Install An RSJ near Doncaster | £29 | £238 |
| Install An RSJ near Worksop | £33 | £265 |
| Install An RSJ near Chesterfield | £33 | £257 |
| Install An RSJ near Pontefract | £30 | £228 |
| 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 - £17,796

Two storey extension - £88,444

Build a timber frame extension - £26,296

Build a swimming pool - £81,296

Single storey extension - £60,920

Side return extension - £44,830

Install an RSJ - £2,496

Outbuilding - £10,296

Build a Mansard loft conversion - £52,296

Loft conversion - £36,525

Build a kitchen extension - £42,296

Hip to gable loft conversion - £42,296

Granny annexe - £87,296

Garden office - £10,296

Convert a Garage - £16,296

Garage - £18,796

Build a flat roof extension - £22,296

Build a dormer loft conversion - £42,296

Concrete foundations - £6,546

Convert a bungalow loft - £29,296

Convert a basement - £40,830