Johnstone Castle is a housing scheme in the town of Johnstone, Renfrewshire, near Glasgow. It lies south of the town centre and is home to around 5,000 people - making it the largest of Johnstone's housing estates. Housing in the area is a mostly made up of terraced houses and tenement flats. Johnstone Castle is serviced by McGill's buses that link the estate to the town centre, Braehead Shopping Centre, Linwood, Paisley and Glasgow. * Aerial view * The story of the original castle