I have just added this to the map of places to fly your drone at Drone Scene:
Land owner permission obtained.
Interesting old building with a bit of a past history . Ample parking and cafe on site , l emailed the owner via their website and was granted permission to fly . Extremely friendly response to my request.
The originator declared that this location was not inside a Flight Restriction Zone at the time of being flown on 22/03/2025. It remains the responsibility of any pilot to check for any changes before flying at the same location.