 The company asked for the street to be named Regent Street, but the Christchurch City Council declined the request on the grounds that a street of that name already existed in Sydenham, and suggested New Regent Street instead.Regent Street in Sydenham was renamed Roxburgh Street in 1948.New Regent Street is named for London's Regent Street, itself that city's first planned street, and built between 1814 and 1825.