So it says: If the estate is not converted into a permit before the Home World Transfer, you will lose any gil related to the costs of the estate. Any household items such as building materials, furnishings or outdoor furnishings will also be lost.

Usually, you have to get rid of the estate beforehand so I guess this makes sense. But, in terms of swapping servers? What then? Do I just leave the house as is???

If not, how do you even recover the permit?