The Chestnuts featured in a ‘Passive House Accelerator’ webinar in May ’22 See links to Youtube recordings here :
It also features on pg. 98 of their Summer magazine. See this link https://indd.adobe.com/view/f47041e2-3d1b-4a33-a706-ea6e582ba7e3
This is a near-Enerphit standard retrofit of a 1950’s detached house in Chepstow. After months of waiting through the lockdowns of 2020, a contractor from Newport was selected to work alongside https://www.ecovertsolutions.co.uk/ The contract started early March 2021; work effectively complete January 2022.