Citations
http://www.passivhaustrust.org.uk/
https://www.evergreenenergy.co.uk/sustainable-home/what-is-an-epc-rating/
https://www.onthemarket.com/content/how-energy-efficient-is-your-home/
https://www.homebuilding.co.uk/12-stylish-passivhaus-homes/
http://www.energykey.co.uk/epc.html
https://www.ellenmacarthurfoundation.org/
https://cdo-realestate.com/the-bamboo-in-construction-interior-design/
https://greenlivingideas.com/2008/12/21/can-concrete-be-eco-friendly/
http://greenbuildingreview.com/11-green-building-materials-that-are-way-better-than-concrete/
https://www.nielsen.com/us/en/insights/reports/2015/the-sustainability-imperative.html