Translucent facades are broadly applied in modern architecture, especially in office buildings. Considering the energy use strategies and thermal performance during the initial design process is beneficial for building performance. The object of the research is the translucent glazing facades of high-rise buildings. The research aims to develop a methodology for calculating and evaluating the thermal performance of a high-rise building with translucent modular glazing in the cold season. Methods. A method for calculating and estimating the thermal performance of a high-rise building with translucent modular glazing has been developed and presented. Results. The equation of the thermal balance of the high-rise building with translucent modular glazing is obtained and presented. Based on the obtained equation, the formula for calculating the current indoor air temperature in a heated building is obtained. The indoor air temperature in a heated building depends on the external climatic conditions (outdoor air temperature), thermal performance characteristics of the external enclosing structures, the calculated capacity of the heating system, and the heat storage capacity. The model allows to consider not only the heating system's power but also common and solar heat gain.