Newly built between 2025 and 2026 in the peaceful hills of Kostos, these two exceptional Passive Houses — of 220 m² and 230 m² — unite cutting-edge energy technology with refined Cycladic aesthetics. Certified to the international Passive House standard, each home holds a naturally stable temperature year-round with minimal energy for heating or cooling, while continuously supplying fresh, filtered air for outstanding indoor comfort. Every residence offers a spacious main level with two bedrooms, two bathrooms, a modern kitchen and an elegant open living-dining space capturing panoramic sea views, plus a lower level with two further bedrooms, two bathrooms and generous storage. Though semi-detached, the houses are designed for full privacy and sound insulation. Outdoors, broad terraces with lounge and dining areas, BBQ corners, swimming pools and landscaped gardens create a serene, luxurious setting. Rated Energy Class A++, these eco-luxury retreats capture the essence of sustainable island living — minimal consumption, maximum comfort and breathtaking Aegean views.
Location: Kostos
Plot: 4,500 m²
Built: 220–230 m² each
Levels: 2
Bedrooms: 4 / villa
Bathrooms: 4 / villa
Swimming Pool: Yes
Energy Efficiency Certificate: A++ (Passive House)
Price: €1,800,000 / villa
Newly built between 2025 and 2026 in the peaceful hills of Kostos, these two exceptional Passive Houses — of 220 m² and 230 m² — unite cutting-edge energy technology with refined Cycladic aesthetics. Certified to the international Passive House standard, each home holds a naturally stable temperature year-round with minimal energy for heating or cooling, while continuously supplying fresh, filtered air for outstanding indoor comfort. Every residence offers a spacious main level with two bedrooms, two bathrooms, a modern kitchen and an elegant open living-dining space capturing panoramic sea views, plus a lower level with two further bedrooms, two bathrooms and generous storage. Though semi-detached, the houses are designed for full privacy and sound insulation. Outdoors, broad terraces with lounge and dining areas, BBQ corners, swimming pools and landscaped gardens create a serene, luxurious setting. Rated Energy Class A++, these eco-luxury retreats capture the essence of sustainable island living — minimal consumption, maximum comfort and breathtaking Aegean views.
Location: Kostos
Plot: 4,500 m²
Built: 220–230 m² each
Levels: 2
Bedrooms: 4 / villa
Bathrooms: 4 / villa
Swimming Pool: Yes
Energy Efficiency Certificate: A++ (Passive House)
Price: €1,800,000 / villa
