This book debates on transformation of urban spaces considering heritage value, diversity and sustainability issues. It explains complexity and methodology to re-think and re-vitalise urban spaces in sensitive urban environments. Teamwork scientific findings explore evolving ways of innovative urban space transformation in different European contexts. In the first part it examines the reading and designing of historic environment in terms of character, attractiveness, functionality and sustainability of public space and its re-definition for urban quality, wellbeing and social cohesion. In the second part it presents issues on placemaking within sustainable design. In the third part it develops a dynamic transformative process in designing urban vitality of waterfronts, essential for everyday life.