20, South Street

No. 20 South Street is an 18th-century building constructed of red brick with a pitched tile roof and stone slates above the eaves. It features a red brick chimney stack and stands two storeys tall with an attic. The building has a brick modillion eaves cornice and a doorway adorned with fluted Tuscan pilasters and an entablature. There is a modern shop window on the ground floor, one sash window on the first floor, and an attic dormer that has a hipped tile roof, tile-hung cheeks, and a casement window. This building is part of a group that includes Nos 2 to 10 even, The Unitarian Chapel, Nos 12 to 32 even, and the Holy Trinity Gallery.