The important thing at 35 if you are serious is to get on with it.
You have to get the ball rolling!.
I knew of a couple of English blokes who were working in remote areas 10 years ago and as far as I know they returned to the UK with a couple of thousand hours.
Australia has a lot of opportunity but you must make it happen yourself and expect competition to be stiff. If you get amongst it and don't stand whining on the sidelines chances are it will be OK. You will spend a lot of your career listening to how hard things are and how it will be impossible to get a job, how you are too old for this and do not have enough hours for that.
How tough the exams are Blah! Blah Blah!.
Every single jet jockey out there was an inexperienced junior pilot at some stage. Go for it!.