Sherburn lease the airfield I think. That lease is due for renewal in a few years, it may be the owners would prefer to expand the adjacent industrial estate.
It might also be that the potential business for such an expanded estate might go to the non airfield part of Church Fenton a lot sooner than a redeveloped Sherburn would come on the market.
Lots of possibilities in the local area with the MOD selling this land. I don't know what Mr. Makin has paid for it, but I suspect that he has wee goldmine on his hands.