The Albany

The Albany, or simply Albany—since the mid-20th century some sources have claimed that the definite article is not in use among the fashionable—is an apartment complex in Piccadilly, London.

The Albany was built in 1770–74 by Sir William Chambers for Viscount Melbourne as Melbourne House. It is a three-storey mansion seven bays (windows) wide, with a pair of service wings flanking a front courtyard. In 1791, Prince Frederick, Duke of York and Albany abandoned Dover House, Whitehall (now a government office), and took up residence. In 1802 the Duke gave up the house and it was converted by Henry Holland into 69 bachelor apartments (known as "sets"). This was achieved not only by subdividing the main block and the two service wings, but also by adding two parallel sets of buildings running the length of the garden.

More information on the Wikipedia page