I've been here for years and the ground I used to have, where I was given permission to shoot on by the owners of my age, permission has now been withdrawn because their offspring have grown up and taken it on themselves or given it to their school chums.
So keep trying, you might strike lucky one day but I have now given up trying locally.
Interestingly you state in your Avatar that you are living in Surrey Heath but then go on to say you are looking for opportunities local to Tidworth, are you military, is 1342 your first four
?