In this episode, Stacy brings you up to date on the restoration and renovation projects going on at Blake Hill House and Devyn's Philadelphia rowhouse. After, Stacy and Devyn answer a listener question, "How old is an old house?"

Today's guest is Ashley Goldman, a serial researcher with a focus on sustainability and making our old houses as energy-efficient as possible. She also has insight into what it's like to live in a designated historic district.

This episode of part one of two.