We're close to heading off to start a new life in WA in a matter of weeks, and whilst that therefore means that I don't have the first idea what you're experiencing yet, from the outside (but being someone who has visited and has relatives in WA) the majority of the items on your list seem quite trivial. Apart from the obvious issues regarding family etc, I wonder if you would find similar things in the UK equally irksome if you moved back? After all, you found yourself able to leave the place behind 15 years ago, so how did you feel about the UK when you left back then? Whatever you decide to do I hope it makes you more happy than you are now, whether that's to bite the bullet and make the move, or to attempt to acknowledge the positives that WA has to offer you. Good Luck!