This underground holiday home in Greece is topped with a green roof that offers panoramic views of the Peloponnese peninsula. The owners commissioned LASSA Architects to design a house that would activate the periphery of the plot and provide a vantage point from which to observe the surroundings.
The 1614-square-foot Villa Ypsilon is located in an olive grove in southern Peloponnese. A three-pronged concrete shell forms the roof and establishes three courtyards with different exposures to the sun. An eye-shaped swimming pool and sun deck are partially sheltered underneath a concrete lip that defines the green roof. Two other curved facades frame a sunken seating area and the main entrance to the building.
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“The design of the concrete shell and the courtyards’ orientation is such that it produces shadows at specific times of the day,” said the architects. “We are interested in the idea of form integration. That is, that form can be the result of overlapping and precise design decisions . . . in this case the vaulting concrete shell is structural, its bisecting axes frames specific views, its sloping [form] makes it walkable and its extent is a result of environmental optimization.”
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Most of the structure is prefabricated, which significantly reduced assembly costs and construction time. The architects used a CNC machine to fabricate prototypes of the concrete shell and develop the final shape of the house. The use of locally sourced materials – such as concrete, terrazzo and marble – root the design in its cultural and geographic context.
Photos by NAARO