A SYSTEMATIC REVIEW ON INNOVATIVE WATER-EFFICIENT BUILDING DESIGNS AND TECHNOLOGIES FOR SUSTAINABLE URBAN DEVELOPMENT

Abstract The problem of water scarcity is becoming increasingly prevalent in urban areas worldwide, necessitating the adoption of innovative water-saving building designs and technologies. This systematic review explores recent advancements in water-efficient technologies and their application in sustainable urban development. The review synthesizes findings from studies on rainwater harvesting, greywater recycling, low-flow fixtures, smart irrigation systems, water-efficient landscaping, and innovative plumbing systems. It provides a comprehensive overview of the effectiveness, benefits, and challenges associated with these technologies in reducing urban water consumption and enhancing sustainability. Additionally, the review identifies research gaps and proposes future directions to improve the adoption of water-saving practices in construction. A sustainable future for urban communities depends on the integration of water-efficient technologies into building design. This review focuses on the most relevant advancements published between 2015 and 2025, using the Scopus database to ensure a comprehensive and diverse selection of sources.