Rateable value is a term used to describe the value of non-domestic properties for the purposes of taxation. Depending on the location, the term may sometimes be referred to as "rateable assessment," "taxable value," or "net annual value." In the context of business rates, rateable value represents the amount businesses are required to pay in property taxes. Other synonyms for rateable value include "assessable value," "rental value," and "capital value." Ultimately, the term refers to the estimated value of a property's rent if it were available to let on the open market. This calculation helps to determine the amount of tax owed by owners of non-domestic properties.