Hi Cathy, I believe it is a Caroma basin but I'm not sure of the exact model. The photo is a little distorted so it's hard to tell what the proportions actually are.
Have a look here https://www.caroma.com.au/bathrooms/basins/liano-nexus/liano-nexus-600-wall-basin-rhs
Australians call some household things by different names
Please help turn our hideous rockpiles into a functional garden!
Boring fence... Suggestions please!
What do you think of compact laundries?