I have just added this to the map of places to fly your drone at Drone Scene:
Land owner permission requirements unknown.
Take off and land from the Crown Estate Foreshore. The Dunes are an area of special scientific interest for flora and fauna.
The Castle have a strict no drone policy? Drone Filming - Bamburgh Castle however I flew some distance from the Castle itself and didn't overfly but I did go around the perimeter.
The originator declared that this location was not inside a Flight Restriction Zone at the time of being flown on 08/06/2022. It remains the responsibility of any pilot to check for any changes before flying at the same location.