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Select your affordable South Oxfordshire extension builder
The business can carry out all aspects of building work:- single or double storey extensions- kitchen and bathroom installations- p...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Trusted and professional extension builder in South Oxfordshire. Experienced in all extension buildering work and keeping within budget and on quot...
Relax... you have found a reliable extension builder in South Oxfordshire. JOHN BURDER CONSTRUCTION LIMIT is a friendly and reliable company based ...
From £2,360
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £2,080
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £2,056
AJC PROJECT SERVICES Ltd is an established and experienced local extension builder in South Oxfordshire. Please contact us for a free, no obligatio...
From £2,368
Need to find an Extension Builder near you for all your extension buildering work?
Inside Out Oxford, Bespoke Garden Rooms provides a loca...
From £2,592
Need to find an Extension Builder near you for all your extension buildering work?
Steel Brook Construction provides a local, trusted exten...
From £2,080
Trusted and professional extension builder in South Oxfordshire. Experienced in all extension buildering work and keeping within budget and on quot...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in South Oxfordshire it ranges from £2,056 (AJC PROJECT SERVICES Ltd based in OX10) to £2,592 (Steel Brook Construction based in OX10).
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 South Oxfordshire by posting a job with HaMuch and we will send it to extension builders in South Oxfordshire.
"RSJ installation" - OX10, job posted 01/01/70
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near South Oxfordshire | £36 | £253 |
| Install An RSJ near Didcot | £36 | £266 |
| Install An RSJ near Abingdon-on-Thames | £35 | £258 |
| Install An RSJ near Oxford | £38 | £270 |
| Install An RSJ near Caversham | £38 | £265 |
| Install An RSJ near Wycombe | £40 | £271 |
| Install An RSJ near Reading | £42 | £266 |
| Install An RSJ near High Wycombe | £39 | £272 |
| Install An RSJ near Woodley | £42 | £266 |
| Install An RSJ near Hazlemere | £40 | £272 |
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 - £17,570

Two storey extension - £88,106

Build a timber frame extension - £26,070

Build a swimming pool - £81,070

Single storey extension - £56,408

Side return extension - £42,292

Install an RSJ - £2,270

Outbuilding - £10,070

Build a Mansard loft conversion - £52,070

Loft conversion - £34,410

Build a kitchen extension - £42,070

Hip to gable loft conversion - £42,070

Granny annexe - £87,070

Garden office - £10,070

Convert a Garage - £16,070

Garage - £18,570

Build a flat roof extension - £22,070

Build a dormer loft conversion - £42,070

Concrete foundations - £6,320

Convert a bungalow loft - £29,070

Convert a basement - £38,292