From £87,000
Trusted and professional extension builder in GU15. Experienced in all extension buildering work and keeping within budget and on quote. Speedy Pro...
From £87,408
Assuring every job undertaken to the highest standard
Member of Which trusted traders
From £87,456
Need an Extension Builder in GU15? Aabsolute Roofing has been helping local clients (20 mile radius) with their extension buildering jobs for many ...
From £87,208
MLC Building Services are here to help customers who need an Extension Builder in GU15. We offer a competitive rate to complete all your extension ...
From £87,072
Sanctuary Interiors covers Bespoke Bathroom Installations, and Kitchen Installations, small building works, Tiling, Plastering, Painting. Currently...
From £87,152
Need to find an Extension Builder near you for all your extension buildering work?
K FARRANT BUILDERS provides a local, trusted extension b...
From £87,256
Steve Wilson Construction Ltd is an established and experienced local extension builder in GU15. Please contact us for a free, no obligation quote ...
From £87,344
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £87,472
Kendall Construction is an established and experienced local extension builder in GU15. Please contact us for a free, no obligation quote and compe...
From £87,016
Experienced extension builder ready to quote for your work. MERIDIAN CONSTRUCTION is the best extension builder in GU15. No obligation free quotes ...

Building a granny annexe ranges from £87,000 (Speedy Property Services based in GU15) to £87,472 (Kendall Construction based in GU19), 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 GU15 by posting a job with HaMuch. We will send it to extension builders in GU15 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Camberley | £41 | £283 |
| Granny Annexe near Sandhurst | £41 | £283 |
| Granny Annexe near Farnborough | £41 | £273 |
| Granny Annexe near Ash Vale | £41 | £277 |
| Granny Annexe near Bracknell | £41 | £286 |
| Granny Annexe near Bracknell Forest | £41 | £287 |
| Granny Annexe near Ascot | £41 | £276 |
| Granny Annexe near Fleet | £41 | £270 |
| Granny Annexe near Aldershot | £41 | £275 |
| Granny Annexe near Wokingham | £41 | £280 |
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 - £17,738

Two storey extension - £88,358

Build a timber frame extension - £26,238

Build a swimming pool - £81,238

Single storey extension - £59,768

Side return extension - £44,182

Install an RSJ - £2,438

Outbuilding - £10,238

Build a Mansard loft conversion - £52,238

Loft conversion - £35,985

Build a kitchen extension - £42,238

Hip to gable loft conversion - £42,238

Granny annexe - £87,238

Garden office - £10,238

Convert a Garage - £16,238

Garage - £18,738

Build a flat roof extension - £22,238

Build a dormer loft conversion - £42,238

Concrete foundations - £6,488

Convert a bungalow loft - £29,238

Convert a basement - £40,182