Below is the home today on Google Street View. The sample home is on the left, 2937 Cathedral Ave. NW, near both the Maret School (their main building is the namesake of Woodley Park) and the Swiss Embassy.
Harry Wardman’s Woodley Park Homes
Harry Wardman was a prolific developer of Northwest in the 1920s. This ad from The Evening Star shows some of his homes on Cathedral Ave. in Woodley Park.