The main part is an L-plan castle; the 1700 addition was the west wing, at the north gable,[3] which has two storeys and an attic.[1]
The original house has three storeys and a circular stair tower. This tower is corbelled out heavily in the re-entrant angle from the second floor. It is topped with an oversail from the roof of the south wing. There are angle turrets with conical caps on the top storey.[1] Variations of cable moulding in diminishing courses terminating as foliated stop decorate the corbelling.[3]
At the foot of the circular wing, in the re-entrant angle, is the entrance. There is a vaulted basement. The stair in the main wing rises only to the first floor, ascent to the upper levels is by the south wing stair.[1] Another entrance, in the main front, and flanked by slit vents, gives access to the basement.[3]
There are four different types of shot holes, providing a wide range of fire angles.[1] In the front elevation, there is an enlarged first-floor window under relieving arch which lights the first floor hall. A similar window in the south gable has been blocked. There is a second-floor window in the front elevation, while other windows are very small and are randomly sited. The monogram of Thomas Menzies of Durn is carved on the south-west turret.[3]
The 1700 addition has three entrances, the main one being on the first floor, approached by an external forestair.[3]
The roof is of Banffshire slate.[3]
It is a category A listed building.[5]
