Credit Suisse research indicates that "foreigners are acquiring 25 per cent of newly completed supply in NSW and 16 per cent in Melbourne, or 21 per cent if we combine the two states". The total value of new houses in both states was $39 billion over the relevant 12 months.
After the Chinese government cracked down on monetary restrictions (i.e. Citizens of China can normally only convert US$50,000 a year in foreign currency and have long been barred from buying property overseas), Lend Lease reported 30 to 40% of foreign purchases now being cash settled.
Transparency International consider Australia the worst money laundering property market in the world.
Foreign investment, especially for countries which avoided the 2007 housing bubble such as Australia, is a major issue.
A friend will be posting an article on the multiple bubbles he sees in the Australian economy, and property is potentially the most concerning of all given how exposed our banks are to housing loans. We may find Australia finally seeing their house bubble pop like the US in 2007.
http://www.smh.com.au/business/property/australian-property-...
https://www.transparency.org/whatwedo/publication/doors_wide...
Updated to include direct link to Credit Suisse: https://research-doc.credit-suisse.com/docView?language=ENG&...