100+ Granny Annexes Installed in the South East
About Grannexe
A family-owned business with over 50 years of garden building expertise, based in Biggin Hill. As part of Garden Office Buildings, we specialize in creating contemporary, well-insulated annexes that transform living spaces.
We've been in the business since 1965
Grannexe, part of the Garden Office Buildings, are specialists in contemporary granny annexe buildings.
we are a family run business basse in Biggin Hill, Kent, with 50+ years of experience inthe garden bilding industry.
Our passion is transforming the way people live and work, through ebutiful and affordable spaces.
We created Grannexe to offer a specialised granny annexe service, and believe we have developed the best looking and most insulated garden annexe product on the market.
Why Choose Us?
- Passionate about creating incredible living space for our customer
- 50+ years of experience in the industry
- We have built hundreds of buildings in South East England
- Granny annexe specialists
- Family run business