In the village zone Simeonovo-North in city of Sofia starts the construction of the first passive houses in Bulgaria designed by the architect Iglika Nitcheva with an area of 441 sq.m. each of them at a piece of land of 1 090 sq.m. with a garden of 700 sq.m. The buildings are with 3 floors and an under roofing floor. The basement has service functions and а
garage for 2 cars, first floor Ц the living area, second floor Ц bedrooms and the under roofing floor Ц a cabinet.