21 Reidhaven Street, Cullen

21 Reidhaven Street in Cullen is a building likely designed by William Robertson between 1820 and 1830. It is a single-storey structure with an attic, featuring a corner range with three bays facing Reidhaven Street and a single bay return gable on Blantyre Street, which includes a slightly recessed bowed angle bay. The exterior is finished in harl pointed rubble with tooled ashlar margins. The main entrance is located in the center of the Reidhaven Street facade, accompanied by a single window in the curved angle bay that faces both Blantyre Street and the corner. There is a later 19th-century wallhead canted dormer in the outer bays and on Blantyre Street, along with a very small modern dormer in the center of the Reidhaven Street side, both featuring 4-pane glazing. The building has a single end stack and a curved piended roof. Additionally, there is a single bay later addition at the rear that faces Blantyre Street.