It is really necessary to look at what is already there. By design he tried to encourage diversity of lifestyle, by creating a diversity of different sized lots. In the last twelve months, the project has started to accumulate money and things have changed. One can't over-regulate developments. In New South Wales they have very good legislation which allows quite a lot of flexibility.
Some people try to implement very strict regulations and they are called eco-fascists.
It is best to go by example and by advice. Experience shows that when people have a good example and a very good set of guidelines then they will follow it. There are always some individuals who try to do their own thing. But in communities this doesn't last long. Very often the geology of an area is ignored in developments and very few people get recent geologies done.