Smeaton House, also known as Smeaton Castle, and now as Dalkeith Home Farm, is a courtyard castle dating from the fifteenth century, about 2 miles (3.2 km) north of Dalkeith, and 1 mile (1.6 km) south of Inveresk in East Lothian, Scotland.
The castle courtyard had rounded towers, but only two remain standing, with the curtain wall between them. These are the two western towers. While one tower has been reduced in height the other remains at four storeys, with an adjoining square stair-tower.
One range of buildings also survives, but considerably changed. It has a vaulted basement.
There are traces of a moat.