BOSTON FLAT FRONT ROW HOUSE: A four-story 19th century townhouse for an active couple with grown children was renovated and updated to reflect their desire for comfortable entertaining and living spaces. The rear of the house was extended on two floors to provide a more spacious living room and kitchen and to connect the house to the back garden. A mix of existing elements,traditional materials, contemporary details, and eclectic furnishings give the home a relaxed, restful and casual atmosphere.