From £2,312
K J Buist Building Contractors is an established extension buildering business in Arbroath. We come highly recommended and provide competitive quot...
From £2,216
DUNCAR BUILDING SERVICES LTD is an established extension buildering business in Arbroath. We come highly recommended and provide competitive quotes...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Arbroath it ranges from £2,216 (DUNCAR BUILDING SERVICES LTD based in DD7) to £2,312 (K J Buist Building Contractors based in DD11).
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 Arbroath by posting a job with HaMuch and we will send it to extension builders in Arbroath.
"RSJ installation" - DD11, job posted 07/07/25
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Arbroath | £47 | £264 |
| Install An RSJ near Forfar | £29 | £236 |
| Install An RSJ near Angus | £29 | £236 |
| Install An RSJ near Dundee | £38 | £285 |
| Install An RSJ near Fife | £44 | £310 |
| Install An RSJ near Glenrothes | £42 | £304 |
| Install An RSJ near Kirkcaldy | £42 | £296 |
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 - £17,564

Two storey extension - £88,096

Build a timber frame extension - £26,064

Build a swimming pool - £81,064

Single storey extension - £56,280

Side return extension - £42,220

Install an RSJ - £2,264

Outbuilding - £10,064

Build a Mansard loft conversion - £52,064

Loft conversion - £34,350

Build a kitchen extension - £42,064

Hip to gable loft conversion - £42,064

Granny annexe - £87,064

Garden office - £10,064

Convert a Garage - £16,064

Garage - £18,564

Build a flat roof extension - £22,064

Build a dormer loft conversion - £42,064

Concrete foundations - £6,314

Convert a bungalow loft - £29,064

Convert a basement - £38,220