15 and 17, St Nicholas Street

15 and 17 St Nicholas Street are a pair of attached houses, now used as offices and shops, dating from around 1790. They are designed in the style of Thomas Paty. The buildings are made of painted brick with limestone dressings, featuring a brick lateral stack and a hipped pantile mansard roof. They have a double-depth plan and are built in the late Georgian style, standing three storeys high with an attic and basement, and a four-window range.

Situated on a corner site, the left-hand side has a splayed one-window entrance with 19th-century shop fronts, pilaster strips leading to the cornice and parapet, and a first-floor sill band. The timber shop front includes 20th-century segmental-arched windows and 19th-century paired feather consoles on the fascia and cornice, along with double half-glazed doors. The windows are arranged in a 3:1 pattern, featuring five stepped voussoirs above 6/6-pane sashes. The left-hand two-window return has blind end windows. The interior has been largely remodelled in the late 20th century. This pair of houses forms a visual group with No. 13 across the street.