 He sold Haltoun House to the Earl of Morton in 1870, whose son Lord Aberdour sold it to James McKelvie in 1898.In 1915 it was sold to William Whitelaw, chairman of the London and North Eastern Railway company.The first Lauders built a massive Pele Tower at Haltoun before 1400, which Hannan refers to as "an L-shaped castle with walls of a uniform thickness of about ."