Permit guideLondonHeritageHeritage Permits
Heritage alteration permits
Heritage Alteration Permit approval is required for any alteration likely to affect any of the property’s heritage attributes as identified in the heritage designating by-law.
The municipality lists what to submit. CodeEase shows what the building code asks of it. See CodeEase →
Check whether you need a permit
- Heritage Alteration Permit approval is required for any alteration likely to affect any of the property’s heritage attributes as identified in the heritage designating by-law.
- The heritage designating by-law must explain the property’s cultural heritage value or interest and identify the property’s heritage attributes.
- Heritage Alteration Permit approval is required for alterations based on the Classes of Alteration identified in each Heritage Conservation District Plan.
Heritage listed properties (non-designated): no permit for alterations- No Heritage Alteration Permit approval is required for alterations to a building or structure on a heritage listed property (non-designated).
Find out whether your property is listed or designated
- The Register of Cultural Heritage Resources records the status of all cultural heritage resources in London, including heritage listed properties (non-designated), individually designated heritage properties, and properties designated as part of a Heritage Conservation District.
- Learn more about the Register of Cultural Heritage Resources.
- Use CityMap to interactively explore the Register of Cultural Heritage Resources, including heritage listed properties, individually designated heritage properties, and Heritage Conservation Districts in London.
- Some individually designated heritage properties are marked by a blue City of London Heritage Property plaque.
- Heritage Conservation Districts in London are marked by special street signs: blue background with white text and a decorative top.
- Only if your property is designated as part of a Heritage Conservation District
Read your Heritage Conservation District Plan
Bishop Hellmuth Heritage Conservation District
Blackfriars/Petersville Heritage Conservation District
Downtown Heritage Conservation District
East Woodfield Heritage Conservation District
Old East Heritage Conservation District
West Woodfield Heritage Conservation District
Wortley Village-Old South Heritage Conservation District
Supplementary Guidelines for Heritage Conservation Districts
- The supplementary guidelines support heritage property owners in the stewardship of their cultural heritage resources by providing additional information, clarity, and flexibility around alterations to heritage designated properties through the Heritage Alteration Permit process.
- Supplementary Guidelines for Heritage Conservation Districts
- Only if you request a demolition or removal of a building or structure on a heritage listed property (non-designated)
Demolition or removal on a heritage listed property
- There is a formal review process and complete application requirements for a demolition or removal request for a building or structure on a heritage listed property (non-designated).
- Please contact a Heritage Planner for more information.
Process to apply
- Consult with a Heritage Planner
- Complete the application form for the heritage alteration permit and provide any other necessary attachments (drawings, photographs, etc.) that will help facilitate the review of your permit application
- Heritage Planner will confirm receipt of the complete application
- Heritage Planner determines type of approval: Municipal Council Decision or Delegated Authority
Complete the form1
The decision
- the permit applied for or consent to the application
- the permit applied for or consent to the application (with terms and conditions attached)
- notice that Municipal Council is refusing the application for the permit
- Alterations that take place without heritage alteration permit approval requires consultation with the Community Advisory Committee on Planning (CACP) and decision by Municipal Council.
Written from London’s own pages as published on 23 October 2026. The municipality decides what a permit needs: confirm with it before you apply. Legal notice