Jonathan Smales is a housing developer like few others. He is the co-founder and executive chairman of Human Nature, whose new project, The Phoenix, on the outskirts of Lewes, East Sussex in the UK, has just won planning permission. What makes the development different? The Phoenix will contain 685 homes, designed by a roster of fascinating architects, who will be working in materials such as cross laminated timber and Hempcrete. The development will be pretty much vehicle-free, wit...