Depending on the mortgage rate, it might be better to keep it and invest the money that would have been used to pay off the mortgage instead.
Add in a lump sum for the monthly utilities for a decade and make a house account. Have the house account pay all these other incidentals from that account which you otherwise ignore.
Then, anytime you look at your bank account, the future costs of living in that home are never reflected in the balance you see in your daily account(s)