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Select your affordable Thame extension builder
Thame, OX9
Relax... you have found a reliable extension builder in Thame. Trew Builders is a friendly and reliable company based in Thame who consider no job ...
Thame, OX9
Platinum Build Ltd are here to help customers who need an Extension Builder in Thame. We offer a competitive rate to complete all your extension bu...
Relax... you have found a reliable extension builder in Thame. JOHN BURDER CONSTRUCTION LIMIT is a friendly and reliable company based in Thame who...
From £2,480
Trusted and professional extension builder in Thame. Experienced in all extension buildering work and keeping within budget and on quote. BUILDRIGH...
From £2,408
Maha Khaliq Design is an established and experienced local extension builder in Thame. Please contact us for a free, no obligation quote and compet...
From £2,080
Trusted and professional extension builder in Thame. Experienced in all extension buildering work and keeping within budget and on quote. PERNA CON...
From £2,160
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £2,552
Draisey is an established extension buildering business in Thame. We come highly recommended and provide competitive quotes for your work.
From £2,168
Hammond Construction is a family owned building, refurbishment and electrical services company who can help you achieve the home of your dreams…
From £2,104
Relax... you have found a reliable extension builder in Thame. Nicola Scannell Design and Property is a friendly and reliable company based in Tham...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Thame it ranges from £2,080 (JOHN BURDER CONSTRUCTION LIMIT based in OX44) to £2,552 (Draisey based in ox33).
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 Thame by posting a job with HaMuch and we will send it to extension builders in Thame.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near South Oxfordshire | £36 | £253 |
| Install An RSJ near Aylesbury | £42 | £270 |
| Install An RSJ near Wycombe | £40 | £271 |
| Install An RSJ near Aylesbury Vale | £36 | £246 |
| Install An RSJ near High Wycombe | £39 | £272 |
| Install An RSJ near Oxford | £38 | £270 |
| Install An RSJ near Hazlemere | £40 | £272 |
| Install An RSJ near Bicester | £35 | £249 |
| Install An RSJ near Abingdon-on-Thames | £35 | £258 |
| Install An RSJ near Cherwell | £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 - £17,573

Two storey extension - £88,109

Build a timber frame extension - £26,073

Build a swimming pool - £81,073

Single storey extension - £56,456

Side return extension - £42,319

Install an RSJ - £2,273

Outbuilding - £10,073

Build a Mansard loft conversion - £52,073

Loft conversion - £34,433

Build a kitchen extension - £42,073

Hip to gable loft conversion - £42,073

Granny annexe - £87,073

Garden office - £10,073

Convert a Garage - £16,073

Garage - £18,573

Build a flat roof extension - £22,073

Build a dormer loft conversion - £42,073

Concrete foundations - £6,323

Convert a bungalow loft - £29,073

Convert a basement - £38,319