The criteria used to identify locations for new development need to be toughened up so that easy solution are not prioritised.
The housing shortage is going to give developers massive windfall profits and the Council should insist that development priority should be given to more difficult and perhaps more costly brown field sites. One option to achieve this could be to increase the section 106 payments required of developers, but I believe that is too simplistic and a better solution would be to require developers to provide 1 new home on a brown field site for each new house built on a greenfield site. This would probably require developers to cooperate/ find partners.