What is a house? The answer is different for everyone. For some, it is associated with safety, comfort, a place to stay alone, where to hide from the world - a fortress. For others, this fortress is denominated to a shelter, a place you pass through to get out into the world again. Regardless of a person's perceptions, the home is a place to eat, sleep, create and play, or at least that was its function until now .... The Covid-19 pandemic created a lot of panic and problems in society and the world at large, but also set a lot of questions and pointed out many problems. One of them is exactly what is a house? At one point, the home was loaded with all the personal and social activities related to a person's life. It became a workplace, a training hall, a place for a "walk," and although everyone considered their home for sufficient, it was not suitable for such a thing. Allone house, as the name suggests, is a place where one can be alone, but also be united with others. Although located on a small area - 120 m2, due to its vertical structure the house provides both parts - personal and social. For this purpose, there are modules for work - 5m2, sleeping - 7.5m2, food - 18 m2 and living room - 18 m2, but more importantly they are all pointed at nature. Actually most of the house is nature field with greenery and spaces for any type of function needed by any member of the household. Swings, slides, summer cinema, exercise and any outdoor activity for young and old that are important to the occupants of the house are possible. The house also relies on renewable energy sources with its system of photovoltaics and water tanks. Allone house is a fortress for everyone.