Peffermill House is an early 17th century tower house on the south edge of Edinburgh.

In 1629 Edward Edyer or Edgar, a merchant burgess of Edinburgh, was granted the lands known as the Kingismedow or Scharnyhall to the south of Edinburgh, which were once part of the royal hunting forest of Drumselch. Two years later Edgar was granted the tithes from the Kingismedow or Scherniehall, 10 acres, and the mill lands of Peppermylne, by John Bothwell, Lord Holyroodhouse.

Edgar built himself a tower house at Peffermill, the land of which bordered the King’s Meadows, possibly in 1636, that date being carved on a window pediment. The house is arranged on an L-plan, with one wing running approximately north-west to south-east and another projecting from the north-east corner. Within the re-entrant angle to the south-east is a round stair tower with an entrance at ground level.

Within the south-west wing the two main chambers on the ground floor feature large barrel vaults and thick walls, perhaps suggesting that this is the oldest part of the building.

The tower rises to a height of three storeys plus a garret, with the main hall on the first floor of the north-east wing.

The house was later used as a farmhouse and subdivided for tenants but was restored to a single dwelling in the 1910s but fell into disrepair.

In the 1980s Peffermill was bought by the architect Nicholas Groves-Raines who set about restoring the house. It has had several owners since and remains a private home.