How can we build today to make housing affordable, social and sustainable again? The book presents 33 pioneering best practice projects in the fields of social housing, low-cost construction and building renovation. It shows how architecture can respond to the pressing issues of our time in a concrete, intelligent and responsible manner. Detailed drawings on a scale of 1:20 provide precise insights into the respective construction solutions. Floor plans and sections complement these and enable a sound spatial and technical understanding of the buildings. Generous photographs and pointed texts convey atmosphere, materiality and architectural quality in a clear and comprehensible manner.