Wayne Parsons
An experienced quality tradesman who is a member of the federation of master builders.
Any projects will be undertaken safely, professio...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in TA9 it ranges from £2,936 (WMP Builders based in TA9) to £2,936 (WMP Builders based in TA9).
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 TA9 by posting a job with HaMuch and we will send it to extension builders in TA9.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Bridgwater | £30 | £236 |
| Install An RSJ near Weston-super-Mare | £33 | £253 |
| Install An RSJ near North Somerset | £32 | £245 |
| Install An RSJ near Clevedon | £32 | £243 |
| Install An RSJ near Taunton | £31 | £242 |
| Install An RSJ near Penarth | £35 | £219 |
| Install An RSJ near South Somerset | £62 | £270 |
| Install An RSJ near Portishead | £33 | £247 |
| Install An RSJ near Barry | £33 | £223 |
| Install An RSJ near Cardiff | £34 | £219 |
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 - £18,236

Two storey extension - £89,104

Build a timber frame extension - £26,736

Build a swimming pool - £81,736

Single storey extension - £69,720

Side return extension - £49,780

Install an RSJ - £2,936

Outbuilding - £10,736

Build a Mansard loft conversion - £52,736

Loft conversion - £40,650

Build a kitchen extension - £42,736

Hip to gable loft conversion - £42,736

Granny annexe - £87,736

Garden office - £10,736

Convert a Garage - £16,736

Garage - £19,236

Build a flat roof extension - £22,736

Build a dormer loft conversion - £42,736

Concrete foundations - £6,986

Convert a bungalow loft - £29,736

Convert a basement - £45,780