The article deals with the methodological aspect of the style of the object environment formation in design. The role of the “leader-form” is revealed as the basics of creating multi-subject ensembles from objects of various functional purposes. The features of the process of style formation of the subject environment in historical practice are considered. A methodology for educational design of multi-subject ensembles based on the “leader-form” is implemented and tested at the Novosibirsk State University of Architecture, Design and Arts named after A.D. Kryachkov. Using an example from the experience of implementing an algorithm is disclosed and the stages at the style of formation of an object ensemble are determined based on a new design methodology. The methodological effectiveness of the introduction of this technique in the educational process in the preparation of a new generation of shelter design, as well as modern professional design practice, is noted.