Hey all was out with the family and found a Hillingdon council park near Ruislip wood.
It's public and large and I doubt anybody could complain as houses pretty far.
Just a FYI
There's paths there too but dunno how exciting of how much foot traffic
Dropped Pin
near Ruislip, UK
https://goo.gl/maps/fxVhYwpgSV42
Punishing my wallet apparently...