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 specialise in creating contemporary, fully-insulated annexes and tiny homes 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 and tiny Homes.
We are a family run business based in Biggin Hill, Kent, with 50+ years of experience in the garden building industry.
Our passion is transforming the way people live and work, through beautiful and affordable spaces.
We created Grannexe to offer a specialised granny annexe and tiny home 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 and tiny home specialists
- Family run business