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
Tyburn with prisoners processed from Newgate Prison in the City, via St Giles in the Fields and Oxford Street. After the late 18th century, when public executions were no longer carried out at Tyburn, they were carried out at Newgate Prison itself and at Horsemonger Lane Gaol in Southwark. The first recorded execution took place at a site next to the stream in 1196. William Fitz Osbert, populist leader who played a major role in an 1196 popular revolt in London, was cornered in the church of St Mary le Bow. He was dragged naked behind a horse to Tyburn, where