In recent years, exterior facades have become one of the common architectural features in most of the retail business premises. The external facades, in this case, are considered as aesthetic instruments that add more value to the businesses through continued customer attraction. The exterior façade design should incorporate the architectural elements which are attractive for the customers to develop the willingness to get into the business premises. In the retail business buildings, there is a crucial need to have uniquely designed exterior facades that will enhance the aesthetic qualities. This research was conducted to state the façade design effect towards costumer preferences in high-end retailer stores. The case study selected was the façade of Louis Vuitton store in Tokyo's Ginza shopping district. Comparing between its original and current facade designs. This research used experimental approach by altering research variables. The altered variables were the façade design, whereas the influenced variables were costumers' preferences. The decidedness of sample used purposeful sampling method with a technical survey via a questionnaire. The result showed that the exterior façade design had a significant effect on costumer attraction and aid in enhancing business value for retail businesses. The building that houses the Louis Vuitton store without a very distinctive external façade was upgraded and assessed the outcomes for this study. Specifically, a modern-day façade was included, and with new materials implemented, added and examined how such aspects influence customer interest in the business.