For 100 sqm interior design in hardcore renovation, prioritize open-plan layouts, multifunctional furniture, and integrated storage systems. Opt for durable materials like concrete, steel, and glass, paired with minimalist aesthetics to enhance spatial flow. Strategic lighting and modular partitions ensure functionality without compromising style.

The success of 100 sqm renovations hinges on maximizing efficiency and adaptability. Data from the National Association of Home Builders (NAHB) reveals that open-plan designs increase home value by 5-15%, while multifunctional furniture reduces space requirements by up to 20%. Concrete and steel materials offer a lifespan of 30-40 years and 50-100 years respectively, ensuring long-term durability. Energy-efficient lighting systems, as reported by the U.S. Department of Energy, cut energy consumption by 30-50%. In urban markets like New York and San Francisco, 100 sqm renovations yield 8-12% higher rental yields due to compact, high-demand layouts. Integrating smart storage solutions, such as built-in cabinets and foldable partitions, addresses 75% of space constraints in small apartments, per a 2023 study by the Journal of Interior Design. These strategies balance cost (averaging $20,000-$50,000 for 100 sqm projects) with ROI, making them ideal for dense urban housing markets.