From £18,700
WJW Home Improvements - Friendly and professional builders. We specialize in extensions, loft conversions, and big renovation projects. Our motto i...
From £18,628
Relax... you have found a reliable extension builder in OX12. CHF CONSTRUCTION is a friendly and reliable company based in OX12 who consider no job...
From £18,724
SH Carpentry and Construction Ltd is a professional, reliable and friendly carpentry, joinery and general construction company working in and aroun...
From £18,460
Friendly local builder... professional tidy and competitive....
From £18,620
Bluestones Garden Design Ltd is an established and experienced local extension builder in OX12. Please contact us for a free, no obligation quote a...
From £18,700
The business can carry out all aspects of building work:- single or double storey extensions- kitchen and bathroom installations- p...
From £18,604
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £18,532
Trusted and professional extension builder in OX12. Experienced in all extension buildering work and keeping within budget and on quote. Jamie Lang...
From £18,476
D.Bradbury Property Services are here to help customers who need an Extension Builder in OX12. We offer a competitive rate to complete all your ext...
From £18,596
Trusted and professional extension builder in OX12. Experienced in all extension buildering work and keeping within budget and on quote. Jigsaw Com...

Builders charge between £18,460 (Threesixfive FM Services Ltd based in OX11) and £18,724 (SH Carpentry & Construction Limited based in OX12) in OX12 to build a garage, but these costs are only estimates.
Comparing extension builders estimates for building a garage gives you an idea of who will be better value, but the best way to compare costs is to get actual quotes.
Get real quotes to build a new garage in OX12 by posting a job with HaMuch and we will send it to extension builders in OX12.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Garage near Vale of White Horse | £36 | £271 |
| Garage near Didcot | £36 | £266 |
| Garage near Abingdon-on-Thames | £35 | £258 |
| Garage near Oxford | £37 | £265 |
| Garage near Witney | £32 | £244 |
| Garage near Newbury | £37 | £262 |
| Garage near Stratton St Margaret | £37 | £238 |
| Garage near South Oxfordshire | £36 | £253 |
| Garage near Swindon | £38 | £238 |
| Garage near Thatcham | £38 | £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 - £17,604

Two storey extension - £88,156

Build a timber frame extension - £26,104

Build a swimming pool - £81,104

Single storey extension - £57,080

Side return extension - £42,670

Install an RSJ - £2,304

Outbuilding - £10,104

Build a Mansard loft conversion - £52,104

Loft conversion - £34,725

Build a kitchen extension - £42,104

Hip to gable loft conversion - £42,104

Granny annexe - £87,104

Garden office - £10,104

Convert a Garage - £16,104

Garage - £18,604

Build a flat roof extension - £22,104

Build a dormer loft conversion - £42,104

Concrete foundations - £6,354

Convert a bungalow loft - £29,104

Convert a basement - £38,670