This project concerns an underground complex consisting of 6 houses with one to three bedrooms, in order to meet the needs of all family sizes. It is located in Cyprus, in the area of Agios Athanasios, at an altitude of about 200 meters. The complex is buried into flat ground and divided into two sub-complexes, with the south-facing sides of both exposed so they can receive as much natural light and ventilation as possible. In some of the houses, there are natural light wells on the northern side to light and ventilate spaces like corridors and bathrooms. All the southern facades are covered by a shared overhang to protect from strong sunlight during the summer. Each house has its own courtyard, separated by thick soil-covered walls, but there is also the possibility for connection through openings in these walls. Access to each house is through corridors, sometimes underground and sometimes open, and there is a covered parking area on the west side next to the road. The goal of the complex is to provide comfort and peace to the residents while being in harmony with the environment and the surrounding area. From a distance, the complex is almost invisible. The project includes an analysis of each floor plan and space, a presentation of construction details and building materials, and finally, an energy simulation regarding yearly energy consumption.