Permits

Do You Need a Permit for That Renovation? A Scope-by-Scope Answer for Toronto

By Osoba Renos & Design
Permitted full home renovation in Royal York Gardens, Etobicoke, with the kitchen rebuilt to a new layout.

Structure, plumbing configuration and the building envelope need a permit. Finishes do not. That is the rule, and it fails exactly when a project drifts across the line mid-scope — the re-tile that becomes a permit job because someone moved the toilet. Below is how we sort a scope before quoting it, scope by scope.

General guidance from running permitted renovations across Toronto and the GTA — not a determination. The City decides, and the same nominal scope can land differently depending on what is behind the wall. Confirm on the City of Toronto building permit page.

The one-line rule, and why it is not enough

Structure, plumbing configuration, and the building envelope need a permit. Finishes do not. That covers most of it, and the reason people still get caught is that a renovation rarely stays inside one category — a bathroom that starts as a re-tile becomes a permit job the moment somebody decides the toilet would be better on the other wall.

The other reason is timing. A permit is not a form you file at the end. Plan exam happens before construction, and a scope discovered to need one halfway through demolition stops the job rather than delaying it.

  • Decide the full scope before you apply, because an amended application restarts review on the changed parts.
  • "Non-load-bearing" is a determination made by someone qualified, not a guess made on site with a hammer.
  • Electrical work needs ESA notification whether or not a building permit is involved. They are separate processes.
  • A permit protects resale as much as safety — unpermitted structural or second-suite work surfaces during a sale and is expensive to resolve then.

This page tells you whether your scope needs one. For how the City of Toronto application itself works, including plan exam timelines and what it costs, our Etobicoke permits guide walks the whole process.

By scope: permit or no permit

The table below is how we sort a scope at quoting stage. It is a starting point rather than a determination — the City decides, and the same nominal scope can land differently depending on what is behind the wall.

ScopePermit?Why
Bathroom rebuild, same layoutNoStrip to studs, waterproof, re-tile, new vanity and fixtures in the existing positions. Nothing structural, no new circuits, no relocated drains — no permit.
Bathroom with relocated toilet or shower drainYesA plumbing permit, because the drain and vent configuration changes. This is also the single decision that most often moves a bathroom to the top of its cost range.
Kitchen rebuild, same footprintNoNew cabinetry, counters, backsplash and appliances where the old ones were. Adding dedicated circuits is electrical work requiring ESA notification, which is not the same thing as a building permit.
Kitchen with island added or sink movedYesNew plumbing rough-in and usually new circuits. Add permit time to the schedule before cabinetry is ordered, not after.
Removing a non-load-bearing wallNoAn interior partition carrying nothing but itself. The catch is that "non-load-bearing" is a determination, not an assumption — if nobody has verified it, treat it as load-bearing.
Removing a load-bearing wallYesStamped engineer drawings, a building permit, and inspections. An engineered LVL or steel beam plus floor patching runs $15,000–$45,000 as an add-on.
Finishing a basementYesAlmost always — new plumbing, added circuits, a bathroom, or altered egress all trigger it. A bare rec room with no plumbing and no new circuits is the narrow exception.
Basement second suiteYesBuilding permit plus fire-separation compliance, egress windows, interconnected alarms, and often a separate entry involving excavation. A code exercise as much as a construction one.
Flooring, paint, trim, cabinetry refacingNoFinishes only. In a condo, none of this needs a City permit and hard flooring still needs board approval — a different gate entirely.
New or enlarged window openingYesCutting or widening an opening in a structural wall changes how load travels around it. Enlarging a basement window for egress is the common case, and it is concrete work.
HVAC replacement in kindNoSwapping a furnace for an equivalent unit. Adding or relocating ductwork as part of a layout change is a different matter and worth confirming.
Anything in a condominiumSometimes, plus board approval alwaysCity permit rules apply the same way inside a condo, and board approval is an additional and separate requirement. You can satisfy the City and still be refused by your corporation.

What renovating without a permit actually costs you

The immediate risk is an order to comply and a stop-work order, which is the version everyone knows about. The expensive versions are quieter.

  • Resale. Unpermitted structural work or a second suite surfaces during a buyer's due diligence, and resolving it under a closing deadline costs far more than permitting it would have.
  • Insurance. A claim arising from unpermitted work is a conversation you do not want to be having with an adjuster.
  • Retroactive compliance. Bringing finished work up to code means opening it back up — the drywall, the tile, sometimes the floor.
  • A second suite that cannot be rented legally is a renovation that does not do the one thing it was built to do.

We do not quote work that needs a permit as though it does not. If a scope requires one, it is in the proposal with the time it adds, because a schedule that ignores plan exam is a schedule that will be wrong.

What we handle

Permits are part of the scope on the projects we run, not a homeowner errand we hand back.

  • Drawings, the application, plan-exam responses, and booking inspections.
  • Engineer coordination where structural work needs stamped drawings.
  • ESA notification for electrical work, which runs alongside rather than inside the building permit.
  • Telling you at quoting stage which side of the line your scope falls on, and what the permit adds to the timeline.

For condo projects there is a second and separate gate that no City permit satisfies — see the board approval guide.

For the application itself — plan exam timelines, fees, and the pitfalls that send a package back — see our Etobicoke renovation permits guide, which walks the City of Toronto process end to end. For condos, the City permit is only one of two gates: condo board approval is separate and can refuse work the City would allow.

Permit-triggering scopes and what they cost: basement renovation cost (second suites, egress), full home renovation cost (structural add-ons), and bathroom renovation cost (moved plumbing).

People also ask

Do I need a permit to renovate a bathroom in Toronto?
Not for a rebuild that keeps the existing layout - stripping to studs, waterproofing, re-tiling and installing new fixtures where the old ones were needs no building permit. You do need one if a toilet, shower or vanity drain is relocated, because the drain and vent configuration changes. That single decision is also what most often moves a bathroom to the top of its cost range.
Do I need a permit for a kitchen renovation?
Not for a rebuild in the same footprint. Yes if an island is added, the sink or dishwasher is relocated, or a wall comes out. Adding dedicated circuits requires ESA notification, which is a separate process from a building permit and is needed whether or not a permit is.
Do I need a permit to finish a basement in Toronto?
Almost always. New plumbing, added circuits, a bathroom, or altered egress each trigger a building permit, and a second suite additionally has to satisfy fire-separation requirements, egress windows and interconnected alarms. A bare rec room with no plumbing and no new circuits is the narrow exception.
What happens if I renovate without a permit?
The immediate risk is an order to comply and a stop-work order. The more expensive consequences are slower: unpermitted structural or second-suite work surfaces during a resale and has to be resolved under a closing deadline, an insurance claim arising from it becomes contested, and retroactive compliance means opening finished work back up.
Does a condo renovation need a City permit?
The same City rules apply inside a condo - a relocated drain or a removed structural wall needs a permit exactly as it would in a house. Board approval is an additional and entirely separate requirement, and satisfying the City does not mean your corporation will approve the work. Both gates have to be cleared.
Do you handle the permit application?
Yes - drawings, the application, plan-exam responses, inspections, and engineer coordination where structural work needs stamped drawings. We also tell you at quoting stage which side of the line your scope falls on and what the permit adds to the schedule, because a timeline that ignores plan exam is a timeline that will be wrong.

Next step

Not sure if your scope needs a permit? We sort that at quoting stage

Reach out today for a free, no-pressure in-home estimate — and a clear, written project plan.