Do I need a heritage permit to alter my building?

Yes, if the property or specific features are designated under Markham's heritage policies you must obtain a heritage permit before undertaking alterations, repairs or demolition; contact Heritage Planning for confirmation.

How long does approval take?

Review times vary by scope and completeness of the application; specific processing timelines are not specified on the cited City pages and should be confirmed with Heritage Planning.

Can I appeal a permit decision?

Appeal and review routes depend on the type of decision and governing instrument; time limits and procedures are not specified on the cited City pages and must be confirmed with the City.

Heritage Alteration Permit - Markham, Ontario

Land Use and Zoning Ontario 3 Minutes Read · published May 24, 2026

In Markham, Ontario owners of designated heritage properties must follow the Citys heritage-permit rules before altering, repairing or demolishing protected features. This guide explains when a heritage alteration permit is required, who enforces the rules, how to apply, common violations and practical next steps for owners. For official Markham procedures and local contact points see the Citys heritage information page (Markham Heritage)^[1].

Penalties & Enforcement

Heritage controls in Markham are enforced by City planning staff and by-law officers working with Heritage Planning and By-law Enforcement. Specific monetary fines and escalation amounts are not specified on the cited City pages; owners should consult the City for current penalty schedules and the legal basis under provincial heritage law. The City accepts complaints and conducts inspections through its By-law Enforcement and Planning contacts (By-law Enforcement)^[2].

Fines: not specified on the cited City pages; see the City for amounts and schedules.
Escalation: first, repeat and continuing offences are handled per municipal enforcement procedures; specific ranges not specified on the cited pages.
Non-monetary sanctions: stop-work or compliance orders, restoration orders, demolition-delay orders and court action may be used under municipal authority and the Ontario Heritage Act (see Resources).
Enforcer & inspection: Heritage Planning and By-law Enforcement investigate complaints, inspect sites and issue orders; use the Citys official complaint/contact pages to report concerns.
Appeals/review: appeal routes depend on the instrument (e.g., decisions by Council, Committee or provincial provisions); time limits are not specified on the cited City pages and should be confirmed with the City.

Conserve original materials where possible and consult Heritage Planning before work begins.

Applications & Forms

Markham requires a formal heritage permit (sometimes called a heritage alteration permit) for changes to designated properties. The City publishes application details and submission instructions; owners should use the official application form and follow the document checklist provided by the City. The current heritage-permit application and guidance are available from the Citys planning pages and application resources (Heritage Permit Application)^[3]. If a specific fee is not listed on the Citys page, the fee is not specified on the cited page.

How to prepare a complete application

Documentation: provide scale drawings, photos of existing conditions, materials list and a clear description of proposed work.
Consultation: contact Heritage Planning early to confirm requirements and avoid work that may be found non-compliant.
Technical reports: include conservation plans or structural assessments when alterations affect significant features.
Fees & review: check the official application page for any applicable processing fees; if none are shown, the fee is not specified on the cited page.

Applying before tendering or ordering long-lead materials reduces the risk of costly changes after a refusal.

FAQ

Do I need a heritage permit to alter my building?: Yes, if the property or specific features are designated under Markhams heritage policies you must obtain a heritage permit before undertaking alterations, repairs or demolition; contact Heritage Planning for confirmation.
How long does approval take?: Review times vary by scope and completeness of the application; specific processing timelines are not specified on the cited City pages and should be confirmed with Heritage Planning.
Can I appeal a permit decision?: Appeal and review routes depend on the type of decision and governing instrument; time limits and procedures are not specified on the cited City pages and must be confirmed with the City.

How-To

Contact Markham Heritage Planning to determine if the property is designated and whether a heritage permit is required.
Gather documentation: photographs, drawings, conservation reports and materials samples as requested by the application checklist.
Complete the official heritage permit application and submit it with required documents per the Citys instructions.
Respond promptly to City comments, provide additional information if requested and obtain formal approval before starting work.
If refused, ask Heritage Planning for written reasons and follow the appeal or revision process indicated by the City.

Key Takeaways

Always check with Markham Heritage Planning before altering designated features.
Use the Citys official application form and contact points to avoid enforcement risks.
Early consultation reduces delays, costs and risks of orders or restoration requirements.