One of the most important actions to do when you move is to pray a prayer of blessing over the new home.
Typically this is done by the parish priest, but it can also be supplemented by a prayer from the head of the household, such as the father or husband.
It is a beautiful way to invite God's presence into your new home and ask his many graces to shower upon you.
Here is a prayer of blessing of a new home from the Roman Ritual.