The Joule Hotel is a four-star, 160-room hotel developed by Headington Hotels, owned by Timothy Headington. Located at 1530 Main Street, between Akard Street and Ervay Street, the building was constructed in 1927 as the Dallas National Bank Building, and was known later as the SPG Building. At the end of Stone Street Plaza, it is in the Main Street District of downtown Dallas, Texas, and with the Kirby Building, one of two Gothic high-rises in the city.