From £2,344
Experienced extension builder ready to quote for your work. WOODMOOR CONSTRUCTION is the best extension builder in SO32. No obligation free quotes ...
From £2,280
Darren Hitchins T/A The Honest Builder is an established extension buildering business in SO32. We come highly recommended and provide competitive ...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in SO32 it ranges from £2,280 (Darren Hitchins T/A The Honest Builder based in SO32) to £2,344 (WOODMOOR CONSTRUCTION based in SO32).
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 SO32 by posting a job with HaMuch and we will send it to extension builders in SO32.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Hedge End | £34 | £244 |
| Install An RSJ near Fareham | £35 | £250 |
| Install An RSJ near Locks Heath | £33 | £240 |
| Install An RSJ near Eastleigh | £34 | £244 |
| Install An RSJ near Chandler's Ford | £34 | £245 |
| Install An RSJ near Waterlooville | £36 | £250 |
| Install An RSJ near Horndean | £36 | £254 |
| Install An RSJ near Southampton | £34 | £243 |
| Install An RSJ near Winchester | £39 | £283 |
| Install An RSJ near Lee-on-the-Solent | £35 | £249 |
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 - £17,612

Two storey extension - £88,168

Build a timber frame extension - £26,112

Build a swimming pool - £81,112

Single storey extension - £57,240

Side return extension - £42,760

Install an RSJ - £2,312

Outbuilding - £10,112

Build a Mansard loft conversion - £52,112

Loft conversion - £34,800

Build a kitchen extension - £42,112

Hip to gable loft conversion - £42,112

Granny annexe - £87,112

Garden office - £10,112

Convert a Garage - £16,112

Garage - £18,612

Build a flat roof extension - £22,112

Build a dormer loft conversion - £42,112

Concrete foundations - £6,362

Convert a bungalow loft - £29,112

Convert a basement - £38,760