Middleton Park House is a 19th-century Georgian country house in Castletown-Geoghegan, County Westmeath It stands on a gentle hill on a kilometre-long avenue looking towards Lough Ennell. It is a detached six-bay two-storey building with the central two bays slightly projecting from the façade. It has a slate roof and a projecting single-storey limestone Ionic entrance portico.