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Lambert Home Builds is a trusted extension builder serving customers in Eynsham and the surrounding area. Contact us to today to get a competitive ...
Approved extension builder in Eynsham, covering 20 miles.
Whatever extension buildering work you need, including emergency repairs, hire a c...
Mick Phillips
Michael E Phillips is an established extension buildering business in Eynsham. We come highly recommended and provide competitive quotes for your w...
Need an Extension Builder in Eynsham? K C CONSTRUCTION has been helping local clients (20 mile radius) with their extension buildering jobs for man...
Trusted and professional extension builder in Eynsham. Experienced in all extension buildering work and keeping within budget and on quote. Millric...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Eynsham, OX29
APPLEWOOD CONSTRUCTION is a trusted extension builder serving customers in Eynsham and the surrounding area. Contact us to today to get a competiti...
R AND J CONSTRUCTION is an established and experienced local extension builder in Eynsham. Please contact us for a free, no obligation quote and co...
From £2,120
Tom Grenshaw
Relax... you have found a reliable extension builder in Eynsham. TG Projects Ltd is a friendly and reliable company based in Eynsham who consider n...
From £2,296
KEITH COOK CONSTRUCTION LIMITED are here to help customers who need an Extension Builder in Eynsham. We offer a competitive rate to complete all yo...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Eynsham it ranges from £1,912 (Reece Berry Building Contractor based in OX28) to £2,712 (Michael E Phillips based in OX2).
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 Eynsham by posting a job with HaMuch and we will send it to extension builders in Eynsham.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Witney | £32 | £244 |
| Install An RSJ near Oxford | £38 | £270 |
| Install An RSJ near Abingdon-on-Thames | £35 | £258 |
| Install An RSJ near Vale of White Horse | £36 | £271 |
| Install An RSJ near Cherwell | £35 | £249 |
| Install An RSJ near Bicester | £35 | £249 |
| Install An RSJ near Didcot | £36 | £266 |
| Install An RSJ near South Oxfordshire | £36 | £253 |
| Install An RSJ near Banbury | £33 | £239 |
| Install An RSJ near Stratton St Margaret | £32 | £238 |
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 - £17,590

Two storey extension - £88,134

Build a timber frame extension - £26,090

Build a swimming pool - £81,090

Single storey extension - £56,792

Side return extension - £42,508

Install an RSJ - £2,290

Outbuilding - £10,090

Build a Mansard loft conversion - £52,090

Loft conversion - £34,590

Build a kitchen extension - £42,090

Hip to gable loft conversion - £42,090

Granny annexe - £87,090

Garden office - £10,090

Convert a Garage - £16,090

Garage - £18,590

Build a flat roof extension - £22,090

Build a dormer loft conversion - £42,090

Concrete foundations - £6,340

Convert a bungalow loft - £29,090

Convert a basement - £38,508