Harcourt House was a palatial residence built in about 1722 by

Thomas Archer Thomas Archer (1668–1743) was an English Baroque architect. His buildings are important as the only ones by an English Baroque architect to show evidence of study of contemporary continental, namely Italian, architecture. It is said that hi ...

Cavendish Square Cavendish Square is a public square, public garden square in Marylebone in the West End of London. It has a double-helix underground commercial car park. Its northern road forms ends of four streets: of Wigmore Street that runs to Portman Square ...

. The main structure was largely demolished in 1906 leaving only the southern wing on the corner with Margaret Street, now Flanders House. The southern wing of the building survives today as 1A Cavendish Square. The palladian residence Archer designed was the centre-piece of the east side of

, London for nearly two centuries. Archer's building was built for

Robert Benson, 1st Baron Bingley Robert Benson, 1st Baron Bingley, (9 April 1731) was an English Tory politician who sat in the English and British House of Commons from 1702 until 1713 when he was raised to the peerage as Baron Bingley and sat in the House of Lords. He serve ...

, but was renamed to Harcourt House after it was bought by

Simon Harcourt, 1st Viscount Harcourt Simon Harcourt, 1st Viscount Harcourt, PC (December 1661 – 29 July 1727) of Stanton Harcourt, Oxfordshire, was an English Tory politician who sat in the English and British House of Commons from 1690 until 1710. He was raised to the peerage ...

. The house was significantly altered by his grandson

Simon Harcourt, 1st Earl Harcourt Simon Harcourt, 1st Earl Harcourt, (1714 – 16 September 1777), known as Viscount Harcourt between 1727 and 1749, was a British diplomat and general who became Viceroy of Ireland. Biography Harcourt was born in Oxfordshire, the son of Hon ...

. It was later the residence of

William Cavendish-Scott-Bentinck, 5th Duke of Portland William John Cavendish-Scott-Bentinck, 5th Duke of Portland (17 September 1800 – 6 December 1879), styled Lord John Bentinck before 1824 and Marquess of Titchfield between 1824 and 1854, was a British Army officer and politician best known fo ...

, Lord of the Manor of Marylebone, and

John Campbell, 2nd Marquess of Breadalbane John Campbell, 2nd Marquess of Breadalbane, (26 October 1796 – 8 November 1862), styled Lord Glenorchy until 1831 and as Earl of Ormelie from 1831 to 1834, was a British Liberal politician. Background and education Born at Dundee, Angus, B ...

. The house was empty till 1906 when the centre and north of the house was demolished to make way for a development of luxury flats, also called Harcourt House.

LaSalle Investment Management LaSalle Investment Management ("LaSalle") is a real estate investment management firm. It is an independent subsidiary of JLL. History Jones Lang LaSalle was formed by the merger of Jones Lang Wootton and LaSalle Partners in 1999. The res ...

sold that building, occupying two thirds of the original site, to the Sunley Group in 2013. A 3D reconstruction of the original building was made by

Survey of London The Survey of London is a research project to produce a comprehensive architectural survey of central London and its suburbs, or the area formerly administered by the London County Council. It was founded in 1894 by Charles Robert Ashbee, an A ...

in 2015.Survey of London
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References

{{coords, 51.5163, -0.1439, display=title 18th century in London Buildings and structures in the City of Westminster Thomas Archer buildings 1722 establishments in England Buildings and structures demolished in 1906 Townhouses in the United Kingdom