Open Eco Homes is organised by Cambridge Carbon Footprint (registered charity no. 1127376), and as a charity we rely on the generosity of volunteers and donors.

Thank you so much to past and present hosts and other volunteers, who work so hard to inspire and inform Open Eco Home visitors. If you would like to volunteer please contact or click here.

We also want to thank our funders and sponsors whose financial support enables the whole event to take place. We are currently seeking like minded compatible sponsors for 2018. Contact  


Cambridge City Council


Our supportive City Council have supported Open Eco Homes for several years as part of their wider mission to make the city more sustainable.


South Cambridgeshire District Council


South Cambridgeshire District Council have helped us to open homes in Impington and Girton.




Baufritz, Europe’s leading supplier of timber-framed eco-homes has been recognised for its exemplary work on sustainability. The Treehouse is designed and built to exceptional standards, offering unrivalled levels of comfort, a unique healthy living environment and low running costs. See home [I].

Devana Insulation



Devana Insulation use a blown system to install cellulose fibre in timberframe walls, floors and roofs. One of their products is Retrovive underfloor insulation. They tackle projects of any size, new build or retrofit. From single rooms and houses to schools and public buildings. See home [B].



Green Energy UK

Our local green electricity and gas supplier, based in Ware. See home [J] for details of Green Energy UK's Tide tariff.


Cambridge Solar

Cambridge Solar Ltd are award winning, MCS approved, solar panel installers with more than 14 years experience.


Mole Architects

“One of Britain’s 20 top-notch architects", including for K1 - see homes [E] and [F].

Margaret Reynolds RIBA

Local architectural practice with 30 years experience: Low-energy design specialist.

AC Architects

Award-winning local architects, providing environmentally friendly low energy solutions. See homes [E] and [B].

Green Books

Britain's leading independent green publisher.

Anglian Energy Solutions

Suppliers and installers of renewable energy systems for domestic and commercial sectors.