I have just added this to the map of places to fly your drone at Drone Scene:
Lots of space to fly. I believe the circles are from air raid shelters in world war 2.
The originator declared that this location was not inside a Flight Restriction Zone at the time of being flown on 10/05/2025. It remains the responsibility of any pilot to check for any changes before flying at the same location. Landowner permission may be required before taking off.