BuildRules/Whitby/Shed

Whitby project guide

Do you need a permit for a shed in Whitby?

Check Whitby shed rules for the under-15 m² exemption, zoning, setbacks, height and accessory-structure placement.

1 min readReviewed Oct 1, 2026

The short answerConditional

A shed accessory to a dwelling can be permit-exempt when it is less than 15 m², but zoning rules still apply.

Whitby also publishes accessory-structure rules for side/rear yard placement, height and minimum lot-line setbacks.

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What changes the answer.

Start with these conditions. The official reference is attached to each one.

Shed sizePermit not required below 15 m² under the cited exemptionConditional

Whitby states that a shed accessory to a dwelling does not need a building permit when it is less than 15 square metres.

Official sourceTown of WhitbyAccessory Structures · Accessory-structure size, setbacks, location and height

Verified2026-10-01Open proof

LocationSide or rear yard in residential zonesInfo

Whitby states that accessory structures are permitted only in side or back yards within residential zones.

Official sourceTown of WhitbyAccessory Structures · Accessory-structure size, setbacks, location and height

Verified2026-10-01Open proof

SetbackGenerally at least 0.6 m from interior/rear lot linesConditional

The Town publishes a general 0.6 metre minimum setback, with additional conditions for exterior lot lines and windows.

Official sourceTown of WhitbyAccessory Structures · Accessory-structure size, setbacks, location and height

Verified2026-10-01Open proof

Your preparation checklist

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Structure dimensions
Site plan with setbacks
Intended use
Building permit application when the exemption does not apply

Fees and timing

TimelineConfirm the current municipal review timeline after the application is accepted as complete.

FeesConfirm the current Whitby permit fee for the exact project class before filing.

Next steps

Measure shed floor area
Map side/rear yard placement
Check setbacks and lot coverage
Apply if the exemption does not apply

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BuildRules principle

Do not confuse “no permit” with “no rules.”

Zoning, overlays, safety rules and other constraints can still apply.

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