From £87,280
Member since August 2026
Relax... you have found a reliable extension builder in Thame. ABC Associates STRUCTURES 4 U is a friendly and reliable company based in Thame who ...
From £87,112
JASON SHARP SHARP BUILDERS is a trusted extension builder serving customers in Thame and the surrounding area. Contact us to today to get a competi...
From £87,200
The business can carry out all aspects of building work:- single or double storey extensions- kitchen and bathroom installations- p...
From £87,192
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £86,984
Lambert Home Builds is a trusted extension builder serving customers in Thame and the surrounding area. Contact us to today to get a competitive qu...
From £87,216
Experienced extension builder ready to quote for your work. DRC Construction is the best extension builder in Thame. No obligation free quotes and ...
From £87,216
Need to find an Extension Builder near you for all your extension buildering work?
BA Knott Oxford Ltd provides a local, trusted extension ...
From £86,912
Trusted and professional extension builder in Thame. Experienced in all extension buildering work and keeping within budget and on quote. TENNORCRE...
From £87,088
B.A Ruffle Building Contractor is an established extension buildering business in Thame. We come highly recommended and provide competitive quotes ...
From £86,968
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

Building a granny annexe ranges from £86,912 (TENNORCREST CONSTRUCTION based in SL6) to £87,280 (ABC Associates STRUCTURES 4 U based in SL7), 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 Thame by posting a job with HaMuch. We will send it to extension builders in Thame who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near South Oxfordshire | £36 | £253 |
| Granny Annexe near Aylesbury | £42 | £270 |
| Granny Annexe near Wycombe | £39 | £271 |
| Granny Annexe near Aylesbury Vale | £36 | £246 |
| Granny Annexe near High Wycombe | £39 | £272 |
| Granny Annexe near Oxford | £37 | £261 |
| Granny Annexe near Hazlemere | £40 | £272 |
| Granny Annexe near Bicester | £35 | £249 |
| Granny Annexe near Abingdon-on-Thames | £35 | £258 |
| Granny Annexe near Cherwell | £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 - £17,617

Two storey extension - £88,175

Build a timber frame extension - £26,117

Build a swimming pool - £81,117

Single storey extension - £57,336

Side return extension - £42,814

Install an RSJ - £2,317

Outbuilding - £10,117

Build a Mansard loft conversion - £52,117

Loft conversion - £34,845

Build a kitchen extension - £42,117

Hip to gable loft conversion - £42,117

Granny annexe - £87,117

Garden office - £10,117

Convert a Garage - £16,117

Garage - £18,617

Build a flat roof extension - £22,117

Build a dormer loft conversion - £42,117

Concrete foundations - £6,367

Convert a bungalow loft - £29,117

Convert a basement - £38,814