What is a Green Mortgage in overseas property investments? We are pleased to have been interviewed by Hong Kong Economic Journal - StartUpBeat to elaborate on this concept and application. In the case of the U.K., utility bills have been driving high due to the energy crisis. Energy efficiency is often measured in terms of a building's performance on the Energy Performance Certificate (EPC), with buildings that score C or above on the EPC rating will qualify for lower interest rates in PropCap’s Green Mortgage scheme.