Private room rents range from 50,000 yen to 59,000 yen per month. The initial cost to move into Ariya House Sugamo includes a 20,000 yen deposit, which is refundable upon moving out, plus the prorated rent for the first month. The ongoing monthly expenses are rent and electricity. You are only charged for the electricity consumed in your private room, which is measured by individual meters and averages around 2,000 yen. Water and gas utilities are free of charge.