Need an Extension Builder in Cherwell? K C CONSTRUCTION has been helping local clients (20 mile radius) with their extension buildering jobs for ma...
SJ Groundworks & Building Ltd is a trusted extension builder serving customers in Cherwell and the surrounding area. Contact us to today to get a c...
R AND J CONSTRUCTION is an established and experienced local extension builder in Cherwell. Please contact us for a free, no obligation quote and c...
From £2,016
Trusted and professional extension builder in Cherwell. Experienced in all extension buildering work and keeping within budget and on quote. P GEOR...
From £1,896
Peter Bunce
Need to find an Extension Builder near you for all your extension buildering work?
1994 provides a local, trusted extension buildering serv...
From £2,296
KEITH COOK CONSTRUCTION LIMITED are here to help customers who need an Extension Builder in Cherwell. We offer a competitive rate to complete all y...
From £2,368
Experienced extension builder ready to quote for your work. Leon Construction OC Ltd is the best extension builder in Cherwell. No obligation free ...
From £2,344
Experienced extension builder ready to quote for your work. Options Home Extensions is the best extension builder in Cherwell. No obligation free q...
From £2,576
Options Home Extensions (Oxfordshire) in Oxfordshire are one of very few companies in the area who specialise in only home extensions. There are ma...
From £2,152
Inspired Restorations offer a range of services that cover all aspects of property renovations and maintenance. Whether you require a full renovati...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Cherwell it ranges from £1,784 (SJ Groundworks & Building Ltd based in OX26) to £2,576 (Options Home Extensions (Oxfordshire) based in OX26).
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 Cherwell by posting a job with HaMuch and we will send it to extension builders in Cherwell.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Cherwell | £35 | £249 |
| Install An RSJ near Bicester | £35 | £249 |
| Install An RSJ near Oxford | £37 | £261 |
| Install An RSJ near Aylesbury Vale | £36 | £246 |
| Install An RSJ near Banbury | £33 | £239 |
| Install An RSJ near Witney | £32 | £244 |
| Install An RSJ near Abingdon-on-Thames | £35 | £258 |
| Install An RSJ near Aylesbury | £42 | £270 |
| Install An RSJ near South Oxfordshire | £36 | £253 |
| Install An RSJ near Didcot | £36 | £266 |
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 - £17,488

Two storey extension - £87,982

Build a timber frame extension - £25,988

Build a swimming pool - £80,988

Single storey extension - £54,760

Side return extension - £41,365

Install an RSJ - £2,188

Outbuilding - £9,988

Build a Mansard loft conversion - £51,988

Loft conversion - £33,638

Build a kitchen extension - £41,988

Hip to gable loft conversion - £41,988

Granny annexe - £86,988

Garden office - £9,988

Convert a Garage - £15,988

Garage - £18,488

Build a flat roof extension - £21,988

Build a dormer loft conversion - £41,988

Concrete foundations - £6,238

Convert a bungalow loft - £28,988

Convert a basement - £37,365