From £6,450
WJW Home Improvements - Friendly and professional builders. We specialize in extensions, loft conversions, and big renovation projects. Our motto i...
From £6,378
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 £6,474
SH Carpentry and Construction Ltd is a professional, reliable and friendly carpentry, joinery and general construction company working in and aroun...
From £6,210
Friendly local builder... professional tidy and competitive....
From £6,370
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 £6,450
The business can carry out all aspects of building work:- single or double storey extensions- kitchen and bathroom installations- p...
From £6,354
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £6,282
Trusted and professional extension builder in OX12. Experienced in all extension buildering work and keeping within budget and on quote. Jamie Lang...
From £6,226
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 £6,346
Trusted and professional extension builder in OX12. Experienced in all extension buildering work and keeping within budget and on quote. Jigsaw Com...

Concrete foundations range from the £6,210 (Threesixfive FM Services Ltd based in OX11) to £6,474 (SH Carpentry & Construction Limited based in OX12) in OX12.
Comparing extension builders estimates for laying concrete foundations gives you an idea of who will be better value, but the best way to compare costs is to get actual quotes.
Find out the exact cost of laying concrete foundations in OX12 by posting a job with HaMuch. We will send it to extension builders who can give you a detailed quote.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Concrete Foundations near Vale of White Horse | £36 | £271 |
| Concrete Foundations near Didcot | £36 | £266 |
| Concrete Foundations near Abingdon-on-Thames | £35 | £258 |
| Concrete Foundations near Oxford | £37 | £265 |
| Concrete Foundations near Witney | £32 | £244 |
| Concrete Foundations near Newbury | £37 | £262 |
| Concrete Foundations near Stratton St Margaret | £37 | £238 |
| Concrete Foundations near South Oxfordshire | £36 | £253 |
| Concrete Foundations near Swindon | £38 | £238 |
| Concrete Foundations 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