Permits in Peterborough
When a backyard shed, deck, or fence needs a building permit in Peterborough, Ontario, with the size cut-offs, coverage level, and source link.
Coverage
Municipal rule
Shed
A building permit is required for accessory structures larger than 15 m2 (161 sq ft); smaller detached storage structures may be exempt if they have no plumbing, subject to zoning setbacks.
Deck
Decks require a building permit (Our residential deck guide page has detailed information about what to include in your permit application.).
Fence
Fences do not require a building permit but must comply with the local fence by-law; pool enclosures require a permit.
The provincial baseline
Under the Ontario Building Code, a detached one-storey storage shed of 15 square metres (about 160 square feet) or less, with no plumbing, does not need a building permit. Anything larger, with plumbing, or attached to another building does. Zoning rules (setbacks, height, lot coverage) always apply even when no building permit is needed.
Peterborough permit questions
Do I need a permit to build a shed in Peterborough?
A building permit is required for accessory structures larger than 15 m2 (161 sq ft); smaller detached storage structures may be exempt if they have no plumbing, subject to zoning setbacks. Source: Peterborough building department, last checked 2026-07-03.
Do I need a permit for a deck in Peterborough?
Decks require a building permit (Our residential deck guide page has detailed information about what to include in your permit application.).
Do I need a permit for a fence in Peterborough?
Fences do not require a building permit but must comply with the local fence by-law; pool enclosures require a permit.
Source
From Peterborough building department, last checked 2026-07-03. Permit payments: Projects that require a permit Constructing a new building that's more than 15 square metres (161 square feet) Installing a swimming pool (Pool Enclosure Permit) Demolishing or removing all or part of
This is a plain-language explainer, not legal or professional advice, and not the bylaw itself. Rules change and vary by zone within a city. Always confirm with your municipality's building department and the linked official page before you build. Decks and sheds near a conservation authority's regulated area may need a separate permit.
Other municipalities: Asphodel-Norwood, Cavan Monaghan, Douro-Dummer, Havelock-Belmont-Methuen. Or see every municipality.