From £1,920
Need to find an Extension Builder near you for all your extension buildering work?
Glencairn Builders & Joiners provides a local, trusted e...
From £2,328
Swiftbuild are here to help customers who need an Extension Builder in ML2. We offer a competitive rate to complete all your extension buildering j...
From £1,840
Trusted and professional extension builder in ML2. Experienced in all extension buildering work and keeping within budget and on quote. Clyde Windo...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in ML2 it ranges from £1,840 (Clyde Windows And Construction Limited based in ML9) to £2,328 (Swiftbuild based in ML1).
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 ML2 by posting a job with HaMuch and we will send it to extension builders in ML2.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Wishaw | £30 | £231 |
| Install An RSJ near Motherwell | £31 | £227 |
| Install An RSJ near Larkhall | £31 | £237 |
| Install An RSJ near Bellshill | £32 | £235 |
| Install An RSJ near North Lanarkshire | £31 | £238 |
| Install An RSJ near Airdrie | £31 | £238 |
| Install An RSJ near Viewpark | £31 | £233 |
| Install An RSJ near Coatbridge | £32 | £245 |
| Install An RSJ near Blantyre | £33 | £240 |
| Install An RSJ near South Lanarkshire | £33 | £250 |
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 - £17,329

Two storey extension - £87,744

Build a timber frame extension - £25,829

Build a swimming pool - £80,829

Single storey extension - £51,587

Side return extension - £39,580

Install an RSJ - £2,029

Outbuilding - £9,829

Build a Mansard loft conversion - £51,829

Loft conversion - £32,150

Build a kitchen extension - £41,829

Hip to gable loft conversion - £41,829

Granny annexe - £86,829

Garden office - £9,829

Convert a Garage - £15,829

Garage - £18,329

Build a flat roof extension - £21,829

Build a dormer loft conversion - £41,829

Concrete foundations - £6,079

Convert a bungalow loft - £28,829

Convert a basement - £35,580