By "Industrial area" I presume you mean the small business area currently on the site, the nearest industrial area is cressex, the hotel is to be built on the airpark itself and the stadium within the boundary. close to the M40. The two will not be able to co-exist in current form, notwithstanding the planning limitations, a 20,000 seater stadium is likely to encourage more birds for a start and is also subsequently likely to infringe on the licensing conditions, need to confirm with CAP168.
Once greenbelt has been built on to this extent,it is likely that the classification will change, the price of the land would increase considerably then the likelyhood is that further building will ensue, the end of the airfield would be merely a matter of time.