Usually a merino, covered by a baggy top over some leggings with a cardigan, socks, boots and a baggy coat. Oh and a beanie.
It's the most comfortable/warm combo I could come up with while still being nice enough to go to the supermarket or whatever. The temperature in Brisbane was so pleasant all of the time and I got used to it real fast. Coming back to New Zealand has been a chilly wake up call in the weather department.