Portman Estate area remained largely residential, attracting the prosperous middle class who wanted to live near the centre of London. There were also mews for tradesmen and servants. At the southwest corner of the Estate, where Marble Arch now stands, was the Tyburn gallows, London’s principal place of public execution until 1783. Development of the area north of the Marylebone Road around Dorset Square continued after 1815, and to the North West in Lisson Green, workers’ cottages were built from 1820 to 1840. Many of the original Georgian houses north of Portman Square were redeveloped as mansion blocks, which were let on
Execution of Clayton Lockett in Lockett's execution had been legally obtained and had not expired. Before the execution, Lockett's stepmother LaDonna Hollins was reported as saying, "I want to know what mixture of drugs are you going to use now? Is this instant? Is this going to cause horrible pain?" and "I know he's scared. He said he's not scared of the dying as much as the drugs administered." Lockett's failed execution occurred at Oklahoma State Penitentiary in McAlester, Oklahoma, on April 29, 2014, after he had been tasered by staff and attempted to cut himself earlier that day.<ref name="Guardian01/05/2014">Oklahoma inmate Tasered by prison