From £1,912
Chartered construction manager with thirty five years in the construction industry. High standards of workmanship, customer focused. Honest, reliab...
From £1,816
Tregaron, SY25
Experienced extension builder ready to quote for your work. DRAGON CONSTRUCTION T/A is the best extension builder in Tregaron. No obligation free q...
From £1,808
Tregaron, SY25
Our building services company SP Coupland Ltd have thirty-eight years’ experience and have been helping customers in Sir Ceredigion and the surro...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Tregaron it ranges from £1,808 (SP Coupland Ltd based in SY25) to £1,912 (Lippiatt Construction based in SA40).
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 Tregaron by posting a job with HaMuch and we will send it to extension builders in Tregaron.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Carmarthen | £26 | £205 |
| Install An RSJ near Carmarthenshire | £26 | £205 |
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 - £17,145

Two storey extension - £87,468

Build a timber frame extension - £25,645

Build a swimming pool - £80,645

Single storey extension - £47,907

Side return extension - £37,510

Install an RSJ - £1,845

Outbuilding - £9,645

Build a Mansard loft conversion - £51,645

Loft conversion - £30,425

Build a kitchen extension - £41,645

Hip to gable loft conversion - £41,645

Granny annexe - £86,645

Garden office - £9,645

Convert a Garage - £15,645

Garage - £18,145

Build a flat roof extension - £21,645

Build a dormer loft conversion - £41,645

Concrete foundations - £5,895

Convert a bungalow loft - £28,645

Convert a basement - £33,510