The problem is that planning authorities tend to make judgement on each application separately and there is little or no overarching strategy.
When considering Wellesbourne, for example, why would the LA concern itself with Kemble or Wolverhampton? They' be more concerned with the legal costs in opposing development with the risk that the SoS will overturn any decision.
What we need is a government overarching strategy on airfields to safeguard them as national assets. Instead we have had governments who see airfields as quick and easy options for housing and who don't care about local and regional airfields.
We are low down on their scale of important issues, but oh for a minister who understands the need for strategic infrastructure and is prepared to do something about it