Retrofitting a local authority house with permaculture design - by Beth Bingley In April 2006 I bought a dilapidated 1920s local authority house in Writtle, Essex. With the help of my two sons Django and Aidan and friends John and Tim, we commenced a three-year experiment. We wanted to see if we could design and build an eco-retrofit, extension and permaculture garden from the plot Practical Solutions Categories Retrofitting Retrofitting a local authority house with permaculture design Copied to clipboard