![](https://transitionbydesign.org/wp-content/uploads/2020/01/030A9910-1024x683.jpg)
About us
We are Transition by Design, an RIBA chartered and Passivhaus certified architecture and design cooperative based in Oxford. Our team builds homes, neighbourhoods and cities for an ecologically sustainable and convivial future.
We specialise in ecological architecture, community engagement, citizen-led and participatory design, action research, meanwhile use, and community-led housing.
If you’ve got a project in mind, please get in touch. We’d love to hear from you.
Our people
![](https://transitionbydesign.org/wp-content/uploads/2022/10/sammy-jo-150x150.jpg)
Sammy-Jo Hagan
Architectural Designer & Retrofit Coordinator
![](https://transitionbydesign.org/wp-content/uploads/2023/03/Headshot-BW-150x150.jpg)
Liv Harrison
Architectural Designer & Retrofit Coordinator
![Olivia Harvey](https://transitionbydesign.org/wp-content/uploads/2024/06/Olivia-Harvey-150x150.jpg)
Olivia Harvey
Part I Architectural Assistant
![](https://transitionbydesign.org/wp-content/uploads/2020/11/unnamed-1-150x150.jpg)
Wongani Mwanza
Architect & Participatory Urban Designer
![Alex Towler](https://transitionbydesign.org/wp-content/uploads/2021/10/Screen-Shot-2021-10-12-at-16.48.08-150x150.png)
Alex Towler
Senior Architect
![](https://transitionbydesign.org/wp-content/uploads/2024/07/1659456933214-150x150.jpg)
Timmy Whitehouse
Architect
Associates
![Florence Collier](https://transitionbydesign.org/wp-content/uploads/2024/06/Florence-Collier-150x150.jpg)
Florence Collier
Sustainability advisor, Mechanical Engineer, Passivhaus Designer
![Andy Edwards](https://transitionbydesign.org/wp-content/uploads/2021/10/Screen-Shot-2021-10-12-at-16.49.53-150x150.png)
Andy Edwards
Researcher & Project Designer
![](https://transitionbydesign.org/wp-content/uploads/2023/08/P8210454-2-Jack-Feather-1-150x150.jpg)
Jack Feather
Architectural Designer
![Charlie Fisher](https://transitionbydesign.org/wp-content/uploads/2023/04/photo_2023-04-19_12-55-41BW-150x150.jpg)
Charlie Fisher
Project Designer
![](https://transitionbydesign.org/wp-content/uploads/2023/08/portrait-Herta-Gatter-150x150.jpg)
Herta Gatter
Placemaking facilitator
![](https://transitionbydesign.org/wp-content/uploads/2023/08/Screenshot-from-2021-03-25-09-54-42-Norosarcc-Green-150x150.png)
Nor Greenhalgh
Placemaking facilitator
![](https://transitionbydesign.org/wp-content/uploads/2023/07/Patrick-Patrick-Osborne-1-150x150.jpg)
Patrick Osborne
Architect
![](https://transitionbydesign.org/wp-content/uploads/2023/04/1517480937022-150x150.jpg)
Emily Wright
Architectural Designer
![Kate Ylioja](https://transitionbydesign.org/wp-content/uploads/2024/06/Kate-Ylioja-150x150.jpeg)
Kate Ylioja
Architectural and Passive House Designer
Our services
Choose an area below to find out more about our approach and see examples of our work.