So you are looking for a property in a suburb/town and you don't know what is the average price of property?
So what you do is you can just going property to proper a property, until you make a purchase and by then you know roughly what the median price is. The other way is check via internet search engines: median house prices and type is the suburb your searching for.
How is this helpful? It helps you decide whether you will purchase over or under the market price and it sets your goals straight, knowing how much you might be looking for!
Here a result from realestate.com
Here is a Property Snapshot from realestate investar
Here is one from Investment property mag
There are many others that may make you pay for reports, not really required unless you really want to spend the money to do so. Reaching makes it easier for you if you need to understand the property market!