​Featuring Nobel prize winning super material graphene and a host of world first technologies, these 125 year old properties outperform 99.9% of new builds - a true showcase of the potential in our heritage buildings. ​Newly renovated by eco consultants Ecospheric, the exemplar homes are designed to remain comfortable and warm year round without a central heating system whilst maintaining superb air quality that alleviates allergies and battles bacteria. Photo: Rick McCullagh