Located in the coastal village of Fontanelas, in Sintra. This new villa with A+ energy certification combines contemporary architecture with eco-engineering. Just one kilometer from Praia da Aguda and minutes from the iconic Sintra coastline, the property offers tranquil luxury, natural light, and energy efficiency all year round. Situated on a private six hundred fifty square meter plot, the house prioritizes comfort and sustainability, making it ideal for modern families, remote professionals, or international buyers seeking a refined coastal retreat near Lisbon. The Residence: Designed with clarity and natural light in mind, the villa features large windows, clean lines, and a seamless flow between indoor and outdoor spaces.Open-plan living and dining area with direct access to the garden and pool. Fully equipped Siemens kitchen. Ground-floor office or fourth bedroom. Three private bedrooms on the ground floor, two with balconies. Master suite with private terrace. Laundry room and guest bathroom on the ground floor. Parking for up to three vehicles. Twenty-nine square meter pool and landscaped garden.High-quality finishes and energy-efficient construction ensure comfort, durability, and low operating costs. Eco-Technology and Smart Systems: The house incorporates a full set of high-performance systems designed for sustainable living and long-term efficiency:A+ Energy Certification. Climate system with heat pump for heating, cooling, and hot water (four times more efficient than air conditioning). Four heated towel rails. Eight photovoltaic solar panels with two times battery storage and hybrid inverter for energy autonomy (one hundred percent energy savings in summer). Dual-flow VMC ventilation system for filtered air, thermal comfort, and humidity control. Tesla three-phase Wall Connector (twenty-two kW). KNX smart home automation controlling lighting, blinds, climate CCTV, and access via touchscreen and/or app. Compatible with Alexa, Google Assistant ,and Siri.These systems create a quiet , efficient ,and environmentally responsible home.Lifestyle Location: Fontanelas is one of Sintra’s most charming coastal villages known for its natural landscapes sea breezes ,and tranquil atmosphere .The house is perfectly positioned for a lifestyle that combines outdoor activity with modern convenience.Nearby Beaches:Praia da Aguda – three minutes Azenhas do Mar Praia das Maçãs MagoitoNearby Cities:Ericeira – fifteen minutes Sintra Historic Center – twenty minutes Lisbon – thirty-five to forty minutesNearby International Schools:TASIS Portugal – approximately twenty minutes Carlucci American International School (CAISL) – approximately twenty minutes IPS Lisbon (International Preparatory School) – approximately twenty-five minutes Colégio Catarina de Bragança (popular Portuguese private school among expat families) – ten minutesNearby Amenities:Daily shops cafés ,and local markets .Coastal restaurants cafés .Local pharmacies clinics .Supermarkets in Terrugem Colares .Sintra Retail Park – fifteen minutes .Shopping in Cascais major retail–twenty minutes.Sintra Hospital CUF Hospitals (Cascais Sintra)–twenty minutes.The area offers excellent walking trails surf beaches cafes schools close-knit local community while maintaining easy access to Lisbon Cascais.Main Investment Appeal: This property represents a unique opportunity to own a contemporary eco-friendly home on the Sintra coast where sustainable engineering nature modern comfort come together.Energy Category: A+ #ref:HAB_88