Catholic Prayer for the Home
Visit, we beseech Thee, O Lord, this dwelling,
and drive far from it all snares of the enemy;
let Thy holy Angels dwell herein,
to preserve us in peace;
and let Thy blessing be upon us forever.
Through Christ our Lord.
This is a great way to bless your new home, and announce that the Kingdom of God is here!
Consider creating an evening with food and drink - and then invite your guests to move through your home (as a whole group, or if there are too many, in small prayer groups) and pray in each room. Ask the group to be sensitive to the leading of the Holy Spirit. Sometimes there is a history with a property - it is worth doing some tactful research with neighbours or the previous owner to find out about the "spiritual" history of the building. This will provide useful prayer points for you as you pray in the different rooms. Also, we read in 1 Corinthians 12:8 that some people can receive from the Holy Spirit the gift of supernatural knowledge. It may well be that as you move through the rooms of your new home that somebody amongst you will receive a word from God about the history of the house. This will inform your prayers for the property.
Here is great creative way of giving your property to God - try writing prayers and scriptures on the floor before laying your carpets down. Follow this link on youtube to find out how Samara Cone blessed her new home this way!