Achieving Sustainability in The Facades of Existing Residential Buildings in The City of Riyadh - Saudi Arabia An applied study on one of the Prototypes buildings of the Ministry of Housing in Riyadh

— Housing ensures stability and an appropriate climate for the individual and the family. The provision of adequate housing is one of priorities and concerns in the Kingdom of Saudi Arabia. The research problem lies in the lack of selection the facades, shapes, and materials in a well-studied scientific way that fits with the existing residential buildings, to protect them from the external environment and weather in Riyadh city. Hence, this paper aims to find the best suitable modern techniques and design solutions that positively impact the facades of residential buildings, and to reach the architectural configuration of the outer cover of the existing residential buildings in a way that suits the thermal climate and to reduce energy consumption. The study seeks to reach environmental treatments that help us develop and reshape the facades of residential buildings in Riyadh to achieve sustainability and 2030 Kingdom vision