From £38,940
Relax... you have found a reliable extension builder in OX9. Trew Builders is a friendly and reliable company based in OX9 who consider no job as t...
From £39,390
Platinum Build Ltd are here to help customers who need an Extension Builder in OX9. We offer a competitive rate to complete all your extension buil...
From £40,650
Trusted and professional extension builder in OX9. Experienced in all extension buildering work and keeping within budget and on quote. BUILDRIGHT ...
From £39,840
Maha Khaliq Design is an established and experienced local extension builder in OX9. Please contact us for a free, no obligation quote and competit...
From £36,150
Trusted and professional extension builder in OX9. Experienced in all extension buildering work and keeping within budget and on quote. PERNA CONST...
From £36,150
Relax... you have found a reliable extension builder in OX9. JOHN BURDER CONSTRUCTION LIMIT is a friendly and reliable company based in OX9 who con...
From £37,050
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £41,460
Draisey is an established extension buildering business in OX9. We come highly recommended and provide competitive quotes for your work.
From £37,140
Hammond Construction is a family owned building, refurbishment and electrical services company who can help you achieve the home of your dreams…
From £36,420
Relax... you have found a reliable extension builder in OX9. Nicola Scannell Design and Property is a friendly and reliable company based in OX9 wh...

Comparing extension builders estimates for a Convert a basement gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes for the cost to convert a basement in OX9 by posting a job with HaMuch and we will send it to extension builders in OX9.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Convert A Basement near South Oxfordshire | £36 | £253 |
| Convert A Basement near Aylesbury | £42 | £270 |
| Convert A Basement near Wycombe | £39 | £271 |
| Convert A Basement near Aylesbury Vale | £36 | £246 |
| Convert A Basement near High Wycombe | £39 | £272 |
| Convert A Basement near Oxford | £37 | £263 |
| Convert A Basement near Hazlemere | £40 | £272 |
| Convert A Basement near Bicester | £35 | £249 |
| Convert A Basement near Abingdon-on-Thames | £35 | £258 |
| Convert A Basement 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