a year and a half... damn that along time on a learners.
Learning permit @ 17,
Written test approx 3 months later (can be much longer if your really bad)
Practical test approx 1-2 months later (can be much longer if you are really bad)
Rescricted permit for 1 year (same as learners only 'R' plates instead of 'L's, allowed on motorways and can drive solo)