In 2006 he came back to live in the family home, Cowhill, on the river Nith just north of Dumfries.
For him, dairy farming is a great interest as is planting trees.
In his spare time Percy enjoys field sports and collects books and clocks. He is Chairman of the wine merchants Corney and Barrow, and also of the Nith District Salmon Fishery Board.
He is married to Clara, and they have four children.