By City AM reporter London is always evolving. And in the midst of a deeply damaging housing crisis the city is on amission to build more homes. The big question is how. Pushing London further out into thecountryside with another onion ring of low-density greenfield housing is not the solution. Moresensible is to make the best use of brownfield land within existing communities to create good greenhomes for the people that need them. To give one example, St George (a Berkeley Group company) is turning a vast town centresupermarket and car park into a mixed-use neighbourhood with over 600 homes …