More people, both young and old, live alone. For a typical 32 sqm 1+kk apartment, a single person would have to pay their entire gross income for seven years. If you take an 80 percent mortgage for an apartment purchase, the monthly installment would be CZK 12,589 a month. For the same flat, a renter would pay CZK 13,520, or CZK 930 per month more.