Want to convert the cellar of a NYC townhouse into a gym or playroom? Here's what you need to knowBy: Evelyn BattagliaVIEWED 96 TIMESPublished: 10/12/2020Source: BrickUnderground.com Featuring Lisa Fitzig: https://www.brickunderground.com/improve/converting-NYC-townhouse-brownstone-cellar-playroom-home-office-home-gym-yoga-studio