Trusted and professional extension builder in OX18. Experienced in all extension buildering work and keeping within budget and on quote. Millrick C...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in OX18 it ranges from £2,624 (Millrick Construction based in OX18) to £2,624 (Millrick Construction based in OX18).
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 OX18 by posting a job with HaMuch and we will send it to extension builders in OX18.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Witney | £32 | £244 |
| Install An RSJ near Vale of White Horse | £36 | £271 |
| Install An RSJ near Stratton St Margaret | £32 | £238 |
| Install An RSJ near Oxford | £37 | £261 |
| Install An RSJ near Abingdon-on-Thames | £35 | £258 |
| Install An RSJ near Thamesdown | £31 | £239 |
| Install An RSJ near Swindon | £31 | £238 |
| Install An RSJ near Didcot | £36 | £266 |
| Install An RSJ near Cherwell | £35 | £249 |
| Install An RSJ near Bicester | £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 - £17,924

Two storey extension - £88,636

Build a timber frame extension - £26,424

Build a swimming pool - £81,424

Single storey extension - £63,480

Side return extension - £46,270

Install an RSJ - £2,624

Outbuilding - £10,424

Build a Mansard loft conversion - £52,424

Loft conversion - £37,725

Build a kitchen extension - £42,424

Hip to gable loft conversion - £42,424

Granny annexe - £87,424

Garden office - £10,424

Convert a Garage - £16,424

Garage - £18,924

Build a flat roof extension - £22,424

Build a dormer loft conversion - £42,424

Concrete foundations - £6,674

Convert a bungalow loft - £29,424

Convert a basement - £42,270