For years now the real estate discussion has been all about rising house prices in Sydney and Melbourne and how hard it is to buy a house or find an affordable rental. But not any more.

Some are predicting that we're at the start of what could be the deepest and longest property downturn in Australia's history.

For Part 2, click here:    • Credit crackdown putting heat on home...  
For Part 3, click here:    • Negative gearing changes could 'tip A...  

For more from ABC News, click here: http://www.abc.net.au/news/

Subscribe to us on YouTube: http://ab.co/1svxLVE
You can also like us on Facebook:   / abcnews.au  
Or follow us on Instagram:   / abcnews_au  
Or even on Twitter:   / abcnews