Hello,
Working in the real estate industry in Canberra, I can say that Gungahlin would not be suitable for investing in at this stage.
My reason is that there is too much supply, but not enough demand. If you go to
www.allhomes.com.au you will see that there are dozens of houses there for sales, all very similar on small blocks. As nice as new houses are, you would be much better (in my opinion) considering purchasing in Belconnen, where the blocks are much bigger and there are more ameneties. Hawker for example has 3 levels of schooling and a small shopping centre and is 5 minutes away from Westfield. In some cases the houses there have doubled since 02-03.
In Dunlop on the other hand, many houses have not moved up in value since they were built because there is just far too much competition.
The case is similar when it comes to renting, and it would be harder to get a premium price.
I hope this information was useful.
- Danners