A truly exceptional property in a prime Penteli location, boasting breathtaking panoramic views over the entire city of Athens. The 643sq.m. residence sits on a 621sq.m. plot and is arranged across 3 levels. The main level features a spacious living room with an energy-efficient fireplace, a dining area opening onto a large balcony, a fully equipped kitchen with a daily dining space and direct access to the rear garden and BBQ area, as well as a guest W.C. The 2nd floor includes a cozy sitting area with an energy-efficient fireplace, a master bedroom with en-suite bathroom featuring a jacuzzi, a walk-in closet, and its own fireplace, along with 2 additional en-suite bedrooms. A large balcony completes the level, offering sweeping city views. The upper level (attic) provides an additional sitting area, 1 bedroom, 1 bathroom, and ample storage space. The ground floor hosts an independent apartment with a living area offering direct access to the pool, an open-plan kitchen, 2 en-suite bedrooms, a W.C., a laundry room, and a storage room. The beautifully landscaped outdoor area includes a garden, swimming pool, BBQ with built-in oven, pergolas, and 1 outdoor parking space. An ideal smart-home property for those seeking a luxurious residence with an exceptional layout and unparalleled views, in a peaceful and green neighborhood of Penteli.