Most likely 3.3 as said above, but unless they do something about how many houses one account can hold, then Square-Enix will be just taking a poop on new/ non crafter players.
I have been saving and I should have enough for a medium plot by the time we get new wards, but since there is no limitation how many houses you can have on one account, most of the new plots will be grabbed by rich crafters on alts who already have more than one house.