Leaving aside the fact that this is an election year, there’s another reason to check your enrolment.

You might be enrolled at the right address but not in the same division you voted in last time. It just happened to me. 

Three redistributions have been completed during this parliament for:

(A 7 year itch redistribution for the Northern Territory is underway but still in its initial stages. My guess is that the election is likely to be on the current boundaries.)

Side note: I can go through the details of entitlement redistributions if anyone is interested, and particularly how the rules are designed to prevent gerrymandering. Leave a comment if you want to know more.