Projects involving existing buildings are considered risky and labor-intensive in real estate and planning circles. There is usually a lack of systematic and practical knowledge for project development and execution. This specialized book provides planners with practical support for the professional initiation and management of construction projects involving existing structures. It first addresses the analysis of existing conditions and describes methods for assessing the current state and minimizing risks. Furthermore, it outlines the specific challenges of planning and construction supervision for projects involving existing buildings. This book aims to offer planners assistance in the professional initiation and management of construction projects in existing properties.