The Consolidated Edison Building (also known as the Consolidated Gas Building and 4 Irving Place) is a neoclassical skyscraper in Gramercy Park, Manhattan, New York City, United States. The 26-story building was designed by the architectural firms of Warren and Wetmore and Henry Janeway Hardenbergh. The building takes up the western two-thirds of the block bounded by East 14th Street to the south, Irving Place to the west, 15th Street to the north, and Third Avenue to the east. It serves as the headquarters of energy company Consolidated Edison, also known as Con Ed.