Two interesting building warrant applications:
1. To create a lounge for Plaza Premium:
https://citydev-portal.edinburgh.gov...=R71C2KEWH1000
https://www.plazapremiumlounge.com/en-uk
2. Upgrade to the Signature FBO, possibly to include some form of 'private check-in and chauffeur to aircraft steps' service.
https://citydev-portal.edinburgh.gov...=R1BP83EWJGY00
https://www.flyertalk.com/forum/33939785-post9.html