The originator declared that this location was not inside a Flight Restriction Zone at the time of being flown on 30/08/2021. It remains the responsibility of any pilot to check for any changes before flying at the same location.
I came at it from the other direction. Parked on Rayleigh Road and walked down through Hornbeam Park. It’s a bit of a trek either way. I’ll see about adding markers/pictures in a bit.