Relax... you have found a reliable extension builder in Bicester. D Beagle Building Contractors is a friendly and reliable company based in Biceste...
Bicester, OX26
SJ Groundworks & Building Ltd is a trusted extension builder serving customers in Bicester and the surrounding area. Contact us to today to get a c...
From £2,016
Trusted and professional extension builder in Bicester. Experienced in all extension buildering work and keeping within budget and on quote. P GEOR...
From £1,896
Peter Bunce
BICESTER, OX26
Need to find an Extension Builder near you for all your extension buildering work?
1994 provides a local, trusted extension buildering serv...
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 £2,344
Bicester, OX26
Experienced extension builder ready to quote for your work. Options Home Extensions is the best extension builder in Bicester. No obligation free q...
From £2,368
Experienced extension builder ready to quote for your work. Leon Construction OC Ltd is the best extension builder in Bicester. No obligation free ...
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...
From £2,288
Trusted and professional extension builder in Bicester. Experienced in all extension buildering work and keeping within budget and on quote. Macfar...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Bicester 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 Bicester by posting a job with HaMuch and we will send it to extension builders in Bicester.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Bicester | £35 | £249 |
| Install An RSJ near Cherwell | £35 | £249 |
| Install An RSJ near Aylesbury Vale | £36 | £246 |
| Install An RSJ near Oxford | £37 | £261 |
| Install An RSJ near Banbury | £33 | £239 |
| Install An RSJ near Aylesbury | £42 | £270 |
| Install An RSJ near Witney | £32 | £244 |
| Install An RSJ near Abingdon-on-Thames | £35 | £258 |
| Install An RSJ near South Oxfordshire | £36 | £253 |
| Install An RSJ near Bletchley | £39 | £265 |
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 - £17,482

Two storey extension - £87,973

Build a timber frame extension - £25,982

Build a swimming pool - £80,982

Single storey extension - £54,644

Side return extension - £41,300

Install an RSJ - £2,182

Outbuilding - £9,982

Build a Mansard loft conversion - £51,982

Loft conversion - £33,583

Build a kitchen extension - £41,982

Hip to gable loft conversion - £41,982

Granny annexe - £86,982

Garden office - £9,982

Convert a Garage - £15,982

Garage - £18,482

Build a flat roof extension - £21,982

Build a dormer loft conversion - £41,982

Concrete foundations - £6,232

Convert a bungalow loft - £28,982

Convert a basement - £37,300