Conservation Approach as an Architectural Instrument to reviving Historical Cities; technical analysis for multi international cases

Abstract The conservation of historical and heritage buildings depends on its ability to meet the immediate and future requirements of society, maintains the balance of system shape and values within the urban landscape and its ability to succeed economically and environmentally through the building and functional works. The research aims to uncover contemporary modern procedures and techniques to conserve historical buildings that would define historic city centres. A descriptive and analytical approach was adopted, which included building a cybernetic theoretical framework about historical buildings, extracting the most important variables and indicators for each individual and comparing these variables with selected examples from the United Kingdom, the United States and Iraq. It is recommended to take advantage of important international experiences and studies to increase awareness and understanding of the correct methods of dealing with and conserving historical buildings. That includes cooperation with international organizations in providing international expertise to identify the best means of rehabilitation in accordance with nature, quality and style of our heritage buildings in particular, and heritage of architectural centre in traditional urban centres in general.