Leviticus 27:15 in the World English Bible
If he who dedicates it will redeem his house, then he shall add the fifth part of the money of your valuation to it, and it shall be his.
Context
14 And when a man shall sanctify his house to be holy unto the LORD, then the priest shall estimate it, whether it be good or bad: as the priest shall estimate it, so shall it stand.
15 And if he that sanctified it will redeem his house, then he shall add the fifth part of the money of thy estimation unto it, and it shall be his.
16 And if a man shall sanctify unto the LORD some part of a field of his possession, then thy estimation shall be according to the seed thereof: an homer of barley seed shall be valued at fifty shekels of silver.