The building's freehold company (in which all flat owners have a share) is unusual in that it is believed to be the only one in the UK whose constitution specifies a ‘first-past-the-post’ secret ballot for electing directors, with any shareholder being entitled to stand for election.
[1] Lauderdale Mansions South is divided into 15 blocks, each with its own entrance hall leading to 8–14 flats.
Sir Alec Guinness, whose best-known screen roles included playing eight different characters in Kind Hearts and Coronets, Colonel Nicholson in The Bridge on the River Kwai and Obi-Wan Kenobi in the original Star Wars trilogy, was born in a ground-floor flat in the building on 2 April 1914.
More recent former residents of Lauderdale Mansions South have included Kathryn Flett, Observer TV critic and star of the BBC’s Grumpy Old Women series, and Mary McCartney, celebrity photographer and daughter of Paul and Linda McCartney.
In 2009, Lauderdale Mansions South was featured in Channel 4 television's The Home Show.