From Longman Business Dictionaryrevaluation reservesrevaluˈation reˌserves (also revaluation reserve)ACCOUNTINGPROPERTY amounts in a company’s accounts showing increases in the value of property that it owns, following a re-calculation of its valueThe investment property was valued at open market value during the year, resulting in a surplus of £40,000 which has been credited to the revaluation reserve. → reserves