Need an Extension Builder in Chesterton? K C CONSTRUCTION has been helping local clients (20 mile radius) with their extension buildering jobs for ...
SJ Groundworks & Building Ltd is a trusted extension builder serving customers in Chesterton and the surrounding area. Contact us to today to get a...
From £86,816
Trusted and professional extension builder in Chesterton. Experienced in all extension buildering work and keeping within budget and on quote. P GE...
From £86,696
Peter Bunce
Need to find an Extension Builder near you for all your extension buildering work?
1994 provides a local, trusted extension buildering serv...
From £87,096
KEITH COOK CONSTRUCTION LIMITED are here to help customers who need an Extension Builder in Chesterton. We offer a competitive rate to complete all...
From £87,168
Experienced extension builder ready to quote for your work. Leon Construction OC Ltd is the best extension builder in Chesterton. No obligation fre...
From £87,144
Experienced extension builder ready to quote for your work. Options Home Extensions is the best extension builder in Chesterton. No obligation free...
From £87,376
Options Home Extensions (Oxfordshire) in Oxfordshire are one of very few companies in the area who specialise in only home extensions. There are ma...
From £86,952
Inspired Restorations offer a range of services that cover all aspects of property renovations and maintenance. Whether you require a full renovati...
From £87,088
Trusted and professional extension builder in Chesterton. Experienced in all extension buildering work and keeping within budget and on quote. Macf...

Building a granny annexe ranges from £86,584 (SJ Groundworks & Building Ltd based in OX26) to £87,376 (Options Home Extensions (Oxfordshire) based in OX26), 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 Chesterton by posting a job with HaMuch. We will send it to extension builders in Chesterton who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Cherwell | £35 | £249 |
| Granny Annexe near Bicester | £35 | £249 |
| Granny Annexe near Oxford | £37 | £261 |
| Granny Annexe near Banbury | £33 | £239 |
| Granny Annexe near Aylesbury Vale | £36 | £246 |
| Granny Annexe near Witney | £32 | £244 |
| Granny Annexe near Abingdon-on-Thames | £35 | £258 |
| Granny Annexe near Aylesbury | £42 | £270 |
| Granny Annexe near South Oxfordshire | £36 | £253 |
| Granny Annexe near Didcot | £36 | £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 - £17,514

Two storey extension - £88,022

Build a timber frame extension - £26,014

Build a swimming pool - £81,014

Single storey extension - £55,288

Side return extension - £41,662

Install an RSJ - £2,214

Outbuilding - £10,014

Build a Mansard loft conversion - £52,014

Loft conversion - £33,885

Build a kitchen extension - £42,014

Hip to gable loft conversion - £42,014

Granny annexe - £87,014

Garden office - £10,014

Convert a Garage - £16,014

Garage - £18,514

Build a flat roof extension - £22,014

Build a dormer loft conversion - £42,014

Concrete foundations - £6,264

Convert a bungalow loft - £29,014

Convert a basement - £37,662