NHER 20134 (Building record) - Shell House, a folly in Merton Park

Small brick building with stepped gables, 19th century.
Outwardly unremarkable but internally covered with shells arranged on the wall faces.
Recommended for addition to listed buildings list (S1). Information from [1].
E. Rose (NAU), 12 March 1984.

April 1986. Listed, Grade II.
Described as about 1846 by Edward Blore. Brick, stone dressings. Interior entirely faced with seashells. Tile roof. Tudor style. Single storey, clasping polygonal buttresses to each angle surmounted by stone pepperpots. Crowstep gables with pepperpots at apex. Four centred entrance arch in gable wall. Ovolo moulded windows each side and above. Five similar blank arches on one side wall; other wall has two Gothic windows and oculi. Dentilled cornices. Rear gable with timber oriel. Crenellated parapet and pediments on the Gothic windows. Mosaic floor.
Information from (S1).
E. Rose (NAU), 21 July 1986.

See notes (S2) in file by [2], which add that the buildings were damaged by soldiers billetted in a nearby camp in World War Two.
E. Rose (NLA), 9 February 1996.

Copy of (S3) in file for NHER 8956 states that the shells came from an earlier similar building at Fawley, Hampshire, and that there was once a shell model of Merton church (NHER 8945) inside.
E. Rose (NLA), 31 January 2005.