From the Georgian houses of London to the brownstones of New York City and their contemporary reinterpretations in Amsterdam and Barcelona, the townhouses has proven to be a flexible and enduring urban typology.This book brings together international projects that explore how these homes optimize land use, improve energy efficiency, and enhance natural light through courtyards, skylights, and double-height spaces. It also examines renovation as a strategy to add height and renew architectural language—blending heritage with contemporary design. A current perspective on a residential model capable of adapting to the demands of today’s city.