Interesting research from RP Data on council areas with the shortest average time on the market for properties in Australia.
For houses, the average shortest time on the market mainly occurs in council areas in New South Wales and Western Australia.
You wouldn't necessarily expect to see high end suburbs on this list, since luxury property markets can be quite 'thin' and often illiquid.
As a result, premium stock tends to move more slowly:
And the fastest selling times for units see the list dominated also by council areas across New South Wales and Western Australia...but mainly Sydney.
Sydney (and not regional New South Wales) is in particular all over this list like a rash: lower north shore, upper north shore, northern beaches, inner west, western Sydney, south Sydney, south-west, Hills Shire, Sutherland Shire...
The only notable omission from Sydney is the eastern suburbs.
There's been quite a bit of stock on the market of late in the east, and as noted, the higher end of the market can take a little longer to shift stock (though not much):