niknak Swansea Airport's charter prevents it from being anything other than an airport or common land as RAF Fairwood Common was requisitioned on this proviso. See
http://www.airports-worldwide.com/uk/uk_swansea.html
I had no idea that the previous owners had invested so much money into the place. I hope it manages to get back on it's feet again as a GA airport. The beaches around Swansea are some of the best in Britain.