The textbook describes the theoretical and practical foundations of the formation of ecological architecture of low-rise urban dwellings of increased density. The classification of residential complexes and the typology of high-density low-rise residential buildings are given. Domestic and foreign experience in the design and construction of energy-efficient and energy-active residential buildings was used. Designed for students, graduate students and teachers of architectural and construction directions of universities. The publication can be useful to a wide range of architects, builders and investors who are interested in ways to solve the problems associated with the formation of an affordable and economical home.