5 Watergate

5 Watergate is part of a row of four three-storey buildings, numbered 4, 5, 6, and 7 Watergate. Nos. 4 and 5 feature convex facades, while the buildings have a slate hipped roof with overhanging eaves. The exterior finishes vary: No. 6 has pebbledash, Nos. 4 and 5 are covered in scribed render, and No. 7 has smooth render. There is a band at the first floor sill level, along with end pilasters and a plinth.

On the second floor, there are square six-pane hopper windows. The first floor features twelve-pane sash windows, and on the ground floors, Nos. 5, 6, and 7 each have a tripartite small-pane sash window, with No. 6 having a moulded architrave. The doorways are located to the left in Nos. 5 and 7, and to the right in No. 6. No. 5 has a six-panelled door with a rectangular overlight.