List of oldest buildings in Scotland
This article lists the oldest extant freestanding buildings in Scotland. In order to qualify for the list a structure must: be a recognisable building (defined as any human-made structure used or intended for supporting or sheltering any use or continuous occupancy); incorporate features of building work from the claimed date to at least 1.5 metres (4.9 ft) in height and/or be a listed building.
Source: Wikipedia — List of oldest buildings in Scotland (CC BY-SA 4.0)