Numbers 1-12 (Consecutive) And Attached Railings

Numbers 1-12 Canonbury Square comprise a terrace of houses built in 1821 and developed by Richard Laycock. The houses are constructed of grey brick in Flemish bond, with stucco detailing, and a concealed roof behind a parapet. They are arranged over four storeys and a basement, with two windows visible on each level. Numbers 1-2, 6-7, and 11-12 project slightly forward.

A round-arched entrance, featuring engaged Greek Doric columns, a cornice and a fanlight with decorative glazing, provides access. The original panelled entrance door remains. Ground-floor windows have elliptical arches with gauged brickheads, recessed within panels made of the same material. Numbers 1-2, 6-7, and 11-12 have channelled rusticated stucco to the ground floor and entrances with elliptical arches and simple doorcases. Numbers 6-7 possess a double open porch created with Greek Doric columns supporting a single entablature, while numbers 1-2 and 11-12 retain only the rear pilasters of a similar design.

The windows are predominantly 2/4 sashes, with pointed-arched glazing bars on the ground floor. First and second floors feature 6/6 sashes, and most third-floor windows have 3/6 sashes. First-floor windows are designed with piano nobile proportions, set within recessed round-arched panels with gauged brickheads, linked by a stucco springing band. Shallow iron balconies are attached to all first-floor windows except number 5, which has a deeper balcony supported by brackets with iron railings. A cornice band runs above the second floor, topped by a parapet.

A single-storey extension to the side of number 1 incorporates a single elliptical-arched window recessed within a similar panel. Number 8 has a London County Council tablet identifying it as the former residence of the tragedian Samuel Phelps. Cast iron railings are present to the area.