Architectural characteristics are one of the crucial aspects of identifying the heritage buildings and carrying its values of significance. It plays an essential role in guiding critical players of the heritage buildings to maintain their buildings. This paper reviews the elements that had been considered by researchers in assessing the architectural characteristics of the heritage buildings on the selected case study to quantify their criteria using the Analytical Hierarchy Principles (AHP) techniques. The result indicates overall visual aspects, and optical character at the close range of the heritage buildings is essential in assessing architectural characteristics of heritage buildings.