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 Dock His remains were gibbeted by the river Thames at Tilbury for three years. George Davis and William Watts, convicted for piracy for the "Cyprus" mutiny, were the final hangings at the dock on 16 December 1830. Some sources state there is a large "E" on the Thames side of the building at Swan Wharf, indicating the site of Execution Dock. Another source states it was approximately where the London Overground station now stands. Execution Dock Execution Dock was a place in the River Thames near the shoreline at Wapping, London, that was used for more than 400 years to execute