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From £86,920
Tom Grenshaw
Relax... you have found a reliable extension builder in Chipping Norton. TG Projects Ltd is a friendly and reliable company based in Chipping Norto...
From £86,864
Trusted and professional extension builder in Chipping Norton. Experienced in all extension buildering work and keeping within budget and on quote....
From £86,992
DH Building Services (Oxford) Ltd are a family-owned building firm based in Witney with over 30 years of experience providing professional, trustwo...

Building a granny annexe ranges from £86,864 (MARCUS STOBART CONSTRUCTION based in OX7) to £86,992 (DH Building Services (Oxford) Ltd based in OX29), but these are just estimates that can help give you an idea of who will be better value in your area.
The best thing to do is to get quotes to build a granny annexe in Chipping Norton by posting a job with HaMuch. We will send it to extension builders in Chipping Norton who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Witney | £32 | £244 |
| Granny Annexe near Banbury | £33 | £239 |
| Granny Annexe near Cherwell | £35 | £249 |
| Granny Annexe near Oxford | £38 | £270 |
| Granny Annexe near Bicester | £35 | £249 |
| Granny Annexe near Vale of White Horse | £36 | £271 |
| Granny Annexe near Abingdon-on-Thames | £35 | £258 |
| Granny Annexe near Stratford-upon-Avon | £27 | £215 |
| Granny Annexe near Stratford-on-Avon | £27 | £215 |
| Granny Annexe near Evesham | £35 | £264 |
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 - £17,425

Two storey extension - £87,888

Build a timber frame extension - £25,925

Build a swimming pool - £80,925

Single storey extension - £53,507

Side return extension - £40,660

Install an RSJ - £2,125

Outbuilding - £9,925

Build a Mansard loft conversion - £51,925

Loft conversion - £33,050

Build a kitchen extension - £41,925

Hip to gable loft conversion - £41,925

Granny annexe - £86,925

Garden office - £9,925

Convert a Garage - £15,925

Garage - £18,425

Build a flat roof extension - £21,925

Build a dormer loft conversion - £41,925

Concrete foundations - £6,175

Convert a bungalow loft - £28,925

Convert a basement - £36,660