Wayne Parsons
An experienced quality tradesman who is a member of the federation of master builders.
Any projects will be undertaken safely, professio...
Pat Hancock
Need to find an Extension Builder near you for all your extension buildering work?
P K BUILDING provides a local, trusted extension builder...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in TA8 it ranges from £1,248 (P K BUILDING based in TA8) 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 TA8 by posting a job with HaMuch and we will send it to extension builders in TA8.
| 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 Penarth | £35 | £224 |
| Install An RSJ near Taunton | £31 | £242 |
| Install An RSJ near Barry | £33 | £223 |
| Install An RSJ near Cardiff | £34 | £223 |
| Install An RSJ near Portishead | £33 | £247 |
| Install An RSJ near South Somerset | £62 | £270 |
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 - £17,392

Two storey extension - £87,838

Build a timber frame extension - £25,892

Build a swimming pool - £80,892

Single storey extension - £52,840

Side return extension - £40,285

Install an RSJ - £2,092

Outbuilding - £9,892

Build a Mansard loft conversion - £51,892

Loft conversion - £32,738

Build a kitchen extension - £41,892

Hip to gable loft conversion - £41,892

Granny annexe - £86,892

Garden office - £9,892

Convert a Garage - £15,892

Garage - £18,392

Build a flat roof extension - £21,892

Build a dormer loft conversion - £41,892

Concrete foundations - £6,142

Convert a bungalow loft - £28,892

Convert a basement - £36,285