I have just added this to the map of places to fly your drone at Drone Scene:
Nation Trust property on Holy Island took of from its foreshore no overflight and no issues.
The whole of the East Coast here has a NOTAMS with a floor of 20,000 feet still checked with MOD no issue think they were surprised.
The originator declared that this location was inside a flight restriction zone at the time of being flown. Permission to fly was obtained from Ministry of Defence. 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.

