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Carterton, OX18
Trusted and professional extension builder in Carterton. Experienced in all extension buildering work and keeping within budget and on quote. Millr...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £9,920
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...
From £10,032
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...
From £10,032
Experienced extension builder ready to quote for your work. MILLHOUSE CONSTRUCTION LIMITED is the best extension builder in Carterton. No obligatio...
From £9,992
DH Building Services (Oxford) Ltd are a family-owned building firm based in Witney with over 30 years of experience providing professional, trustwo...

Garden offices range from the cheapest of £9,712 (Reece Berry Building Contractor based in OX28) to the dearest of £10,424 (Millrick Construction based in OX18), but these are only estimates.
The best way to compare costs is to get actual quotes.
Get rates and quotes to build a garden office in Carterton by posting a job with HaMuch. We'll send it to extension builders in Carterton.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Garden Office near Witney | £32 | £244 |
| Garden Office near Vale of White Horse | £36 | £271 |
| Garden Office near Stratton St Margaret | £32 | £238 |
| Garden Office near Oxford | £38 | £270 |
| Garden Office near Abingdon-on-Thames | £35 | £258 |
| Garden Office near Thamesdown | £31 | £239 |
| Garden Office near Swindon | £31 | £238 |
| Garden Office near Didcot | £36 | £266 |
| Garden Office near Cherwell | £35 | £249 |
| Garden Office near Bicester | £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 - £17,519

Two storey extension - £88,028

Build a timber frame extension - £26,019

Build a swimming pool - £81,019

Single storey extension - £55,373

Side return extension - £41,710

Install an RSJ - £2,219

Outbuilding - £10,019

Build a Mansard loft conversion - £52,019

Loft conversion - £33,925

Build a kitchen extension - £42,019

Hip to gable loft conversion - £42,019

Granny annexe - £87,019

Garden office - £10,019

Convert a Garage - £16,019

Garage - £18,519

Build a flat roof extension - £22,019

Build a dormer loft conversion - £42,019

Concrete foundations - £6,269

Convert a bungalow loft - £29,019

Convert a basement - £37,710