"I don't think it's far away.
"He was criticised through that test series last year and he's really stood up. I'm really proud of him."
Starc will be included in the test squad for the tour of the West Indies, and then he will be in line for the Ashes attack.
The self-effacing young gun played down his World Cup feats.
"I've still got a lot of work to do with white and red ball."
Captain Michael Clarke suggested Starc's express pace, accuracy and swing meant he would be a handful in any form of the game.
"If he keeps bowling the way he's bowled it doesn't matter what format he plays, he's going to have success," Clarke said, adding that Starc was a deserving winner of man of the series.
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- AAP