FACTOR ANALYSIS OF THE COST AND EFFECTIVENESS OF RESIDENTIAL BUILDING RECONSTRUCTION : UKRAINIAN AND EUROPEAN EXPERIENCE

Problem statement. Residential building reconstruction has become strategically important both for the post-war recovery of Ukrainian cities and for implementing European energy-efficiency programmes. However, reconstruction projects often face unpredictable cost escalation and outcome variability. This raises the question of which factors most strongly influence cost estimates and overall effectiveness under different conditions, and how to account for these influences during planning. Purpose of the study. This paper synthesises the key factors that determine the cost and effectiveness of residential stock reconstruction, drawing on Ukrainian and international experience. It compares common trends and context-specific features shaping factor impacts in Ukraine’s post-war housing recovery and in Europe’s deep-renovation programmes. Conclusions. The technical condition of buildings, project-solution complexity, resource-price volatility, organizational and economic as well as regulatory conditions, and unforeseen risks (force majeure) are decisive for reconstruction costs. Project effectiveness depends not only on financial indicators but also on social and environmental effects, which are increasingly considered in European practice. A comparison of Ukrainian and European experience reveals shared challenges (cost overruns, investment needs, schedule-delay risks) that manifest differently by context. Understanding and factor-based analysis of these determinants are a prerequisite for successful reconstruction planning. The findings can inform the development of decision-making models adapted to the conditions of post-war recovery in Ukraine.