Circular interior design represents a fundamental shift toward space sustainability by emphasizing waste reduction and recycling. This approach relies on selecting eco-friendly materials designed for disassembly and reuse, minimizing the overconsumption of natural resources and reducing pollution from construction and furnishing waste. Modern architectural research focuses on integrating circular economy principles during early design stages, replacing the traditional linear model (take, make, dispose) with sustainable practices that preserve material value over time. Ultimately, this methodology fosters healthy indoor environments, reduces the carbon footprint of buildings, and balances environmental and economic priorities to ensure long-term resource preservation for future generations.