Modern design, solar energy, floor-to-ceiling windows, porches, bio-pool, 19-hectare park with olive grove, for sale near Sinalunga, Siena. Set within the Sienese countryside closer to the medieval borgo of Sinalunga, this contemporary architectural masterpiece represents the pinnacle of sustainable luxury in Tuscany. Completed in 2015, the three-story villa spans a magnificent 922 square metres, offering a dynamic silhouette of staggered roofs, floor-to-ceiling glass doors, and garden-facing porches. The result is a residence that feels both deeply rooted in the Sienese landscape and decidedly futuristic. The upper level is punctuated by a 102-square-metre (1,097-sq ft) terrace, where a sleek, frameless glass railing ensures an uninterrupted vantage point over 1.9 hectares (4.6 acres) of private land, with an olive grove of 50 trees. The garden is marked by a magnificent infinity bio-pool with minimalist stone paving and salt-water system. Inside, the interiors are bathed in the golden light of the Valdichiana, boasting a seamless flow between the indoors and the verdant outdoors. This home is an ode to modern efficiency, boasting an A4 energy rating, an 8.3 kW photovoltaic system, and advanced underfloor climate control, ensuring a sophisticated retreat that is as ecologically conscious as it is aesthetically striking. Spacious reception and dining rooms benefit from floor-to-ceiling glass doors and minimalist fireplaces, complemented by a modern, fully fitted kitchen with a central island. The transition to the garden is defined by a vast porch, home to a bespoke outdoor kitchen equipped with a wood-burning oven and natural stone sink, perfectly positioned for alfresco dining. The accommodation includes three double bedrooms and four bathrooms across the ground and first floors. The design cleverly utilizes the natural slope of the land, concealing a voluminous basement level that opens onto a neatly paved driveway framed by sculptural rosemary and manicured hedges. Here the residence extends into a spacious basement including a 144-square-metre (1,550-sq ft) garage and a suite of storage, utility, and cellar rooms, providing unparalleled functionality. In a private and discreet setting, just 800 meters from shops and services. This is a residence for all seasons: immerse yourself in the ultimate Tuscan lifestyle, whether for a holiday escape or an all-year round living.