trig42:
Something the commission could have done was forced them to divest some sites. There are many examples of a Countdown over the road from a Countdown because previously one of them was a Woolworths or Foodtown. Pretty sure that St Lukes mall had a Countdown at each end for a while.
The Glenfield Mall was like this for several years, two Countdowns within a 1 minute walk of each other. Fortunately one of them is now a Briscoes.



