18 Castle Street, Brechin

18 Castle Street in Brechin is a building from the later 19th century, constructed of ashlar stone. It features a two-storey, semi-symmetrical south elevation with a recessed centre. The entrance door has a corniced architrave, and there is one window above it with a gablet. The broad flanking gable fronts are notable, with a three-light canted bay window on the ground floor to the left, which has a parapet, and a tripartite window with a cornice to the right. The outer gables each have a single-light first-floor window with Tudor drip moulds. On the east elevation, there is a tall stair window in an off-centre gable, along with two ground floor windows and one first-floor window. The building is topped with a broad-eaved slated roof. Additionally, there are square ashlar gatepiers with cornices and a rubble garden wall with coping.