18, Wellington Square

18 Wellington Square is an early to mid-19th century building constructed of stucco. It has a parapet and cornice, and a slate roof with flat-headed dormers. The building is four storeys high, with an attic and basement. It is two windows wide. The second and third floors feature sash windows with glazing bars. The first floor has a large recessed bowed window with French doors leading onto a bowed cast iron balcony. The ground floor has a three-light sash window with glazing bars and a round-headed doorway with a fanlight. Basement area railings contribute to the appearance of the building. The listed buildings of Wellington Square form a significant group.