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Millrick Construction
Carterton, OX18
Trusted and professional extension builder in Carterton. Experienced in all extension buildering work and keeping within budget and on quote. Millr...
"Granny annexe" - CARTERTON, job posted 30/05/26
Reece Berry Building Contractor
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
£30/hr
£240/day
TG Projects Ltd
Tom Grenshaw
Relax... you have found a reliable extension builder in Carterton. TG Projects Ltd is a friendly and reliable company based in Carterton who consid...
£34/hr
£254/day
Wychwood Building & Renovations Ltd
In an unstable market house extensions are often the most viable option, helping you to get the most out of the space you have without the addition...
£34/hr
£254/day
MILLHOUSE CONSTRUCTION LIMITED
Experienced extension builder ready to quote for your work. MILLHOUSE CONSTRUCTION LIMITED is the best extension builder in Carterton. No obligatio...
£34/hr
£249/day
DH Building Services (Oxford) Ltd
DH Building Services (Oxford) Ltd are a family-owned building firm based in Witney with over 30 years of experience providing professional, trustwo...
Compare Carterton extension builders rates
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Extension Builders near Witney | £32 | £244 |
| Extension Builders near Vale of White Horse | £36 | £271 |
| Extension Builders near Stratton St Margaret | £32 | £238 |
| Extension Builders near Oxford | £38 | £270 |
| Extension Builders near Abingdon-on-Thames | £35 | £258 |
| Extension Builders near Thamesdown | £31 | £239 |
| Extension Builders near Swindon | £31 | £238 |
| Extension Builders near Didcot | £36 | £266 |
| Extension Builders near Cherwell | £35 | £249 |
| Extension Builders near Bicester | £35 | £249 |
Job estimates from extension builders near you
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.

Build a timber frame extension - £26,016

Garden office - £10,016

Granny annexe - £87,016

Build a flat roof extension - £22,016

Convert a Garage - £16,016

Hip to gable loft conversion - £42,016

Convert a bungalow loft - £29,016

Build a dormer loft conversion - £42,016

Build a swimming pool - £81,016

Build a Mansard loft conversion - £52,016

Concrete foundations - £6,266

Underpin a building - £17,516

Two storey extension - £88,024

Convert a basement - £37,680

Side return extension - £41,680

Loft conversion - £33,900

Garage - £18,516

Single storey extension - £55,320

Outbuilding - £10,016

Install an RSJ - £2,216

Build a kitchen extension - £42,016
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