To optimise the longevity of buildings and use of responsible materials and minimise environmental (GHG and biodiversity) impacts from the construction and operation of the property.

Construction and materials which have long design life, low energy content and are from sustainable sources.

Key criteria:
-    Design life
-    Energy content
-    Durable and robust
-    Replacement
-    Adaptable
-    Universal
-    Shared services
-    Recycled content