Construct To Final! I can't emphasize this enough. If you'd like to produce a sustainable house, you need to Construct it to final. Durability is important for sustainable homes. If your house frequently wants repairs, that's not sustainable. When your roof should be redone just about every six decades, that's not sustainable. https://kingswoodhomes.uk.com/news/first-time-buyer-discovers-perfect-fit-at-green-hills-farmstead-collection/