I have just added this to the map of places to fly your drone at Drone Scene:
Dating from 1389 the ruins are in a poor state and don't imagine they will be there much longer. It is a bit of a trek across Betchworth golf course to get there put there is a public right of way.
The originator declared that this location was not inside a Flight Restriction Zone at the time of being flown on 27/04/2025. 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.