
TREO
HOUSE
SUSTAINABILITY
COLLECTIVE LONDON
WE EXIST FOR THE PEOPLE
GIVING THEIR TIME AND ENERGY TO SUSTAINABILITY
Whether you're passionate about climate, nature, health, equality or poverty, you'll know that we need some pretty big changes in society. You'll know that this work is urgent, consequential and complex. You might also know that sometimes it can feel overwhelming, exhausting or lonely.
You're not alone. We are a big team and between us we have so much passion, wisdom, creativity and skill. Treo House is your safe place, to connect, evolve and re-energise, so you can get out there and make change happen.


MAKING CHANGE HAPPEN
Our big impact happens 'out there'. Through our jobs, organisations and creative outputs, we take our insights, ideas, capabilities and energy out into the world to catalyse ripples of change.
TREO
Derived from the Old English word for Tree.
Trees are our greatest teachers in
collaboration and collective survival.
And who doesn't want to hang out in a tree house?

DOING IT
DIFFERENTLY
Owned by no one. Shared by everyone.
We have no shareholders and any profit is directly re-invested into the organisation.
Run by our members, for our members.
Treo House is a co-creation of it's members, collectively building the organisation that we need it to be. Read more
In-person only.
All events are hosted in-person in our home in Oval, London. Read more
Real people.
We're humans, not job titles. We've swapped out lanyards and prompt sheets for showing up as our authentic selves.

