The Council's prior permission, known as Conservation Area Consent, is required to demolish almost any type of building or substantial part of a building in the area.

A very large number of buildings in Canonbury are also  Statutorily Listed by the Government for their national architectural and historic interest. Prior Listed Building Consent is needed for alterations to the interior or exterior of these buildings. The Council wishes to retain all structures and buildings in the area regardless of their age, which  contribute positively to the area. Canonbury contains a wide variety of architectural styles with distinctive detailing. The Council will seek to preserve special features, such as historic shop and pub fronts, porticos, entrance steps and railings. Redevelopment will be considered only where this improves the appearance of the area.