Marlborough House is a mansion in Brighton

Brighton

Brighton is the major part of the city of Brighton and Hove in East Sussex, England on the south coast of Great Britain...

 on the south coast of England

England

England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

. It is a Grade I listed building. Located at 54 Old Steine, it was built as a red brick building circa 1765 for Samuel Shergold, a local hotelier. After being sold on by both Shergold and its second owner, the Duke of Marlborough, in 1786 it was bought by William Gerard Hamilton

William Gerard Hamilton

William Gerard Hamilton , English statesman and Irish politician, popularly known as "Single Speech Hamilton," was born in London, the son of a Scottish bencher of Lincoln's Inn....

 and altered to a Georgian

Georgian architecture

Georgian architecture is the name given in most English-speaking countries to the set of architectural styles current between 1720 and 1840. It is eponymous for the first four British monarchs of the House of Hanover—George I of Great Britain, George II of Great Britain, George III of the United...

 design by Robert Adam

Robert Adam

Robert Adam was a Scottish neoclassical architect, interior designer and furniture designer. He was the son of William Adam , Scotland's foremost architect of the time, and trained under him...

. For many years it was owned by Brighton and Hove Council. It is currently undergoing major renovations.