Key Takeaways
- ✓
Kitchen renos take 1–2 weeks (cosmetic) to 16+ weeks (full gut) - ✓
Bathroom renos range from 1 week (cosmetic) to 10+ weeks (full gut) - ✓
Custom cabinet lead times alone can run 8–12 weeks — plan before demo day - ✓
Moving plumbing or electrical triggers a permit in Ontario; replacing fixtures in the same spot usually does not - ✓
Permit approval timelines vary by municipality — anywhere from 2 weeks to 3 months - ✓
Skipping permits creates real problems at resale, with insurers, and with the law - ✓
In 2026, skilled trades are in high demand — book your contractor 3–6 months ahead
Most homeowners start renovation planning thinking it will take six weeks, tops. Then the cabinet supplier says 10 weeks. Then the city takes four weeks to approve the permit. Then the tile is back-ordered. Suddenly you are four months in and still living without a kitchen.
None of this means your renovation is going badly. It means renovation has a natural rhythm that most people haven’t been warned about.
This guide gives you the honest version: how long different kitchen and bathroom projects actually take in Ontario, what triggers a permit requirement, how the permit process works, and how to build a schedule that doesn’t fall apart at the first delay. Knowing this upfront is the difference between feeling blindsided and feeling prepared.
Realistic Kitchen Renovation Timelines in Ontario
Kitchen renovations vary a lot depending on how deep you go. Here is an honest breakdown by scope.
Realistic Bathroom Renovation Timelines in Ontario
Bathrooms are smaller than kitchens but they are also tightly packed with plumbing, electrical, and waterproofing requirements. Small rooms, big complexity.
Pro Tip
The single biggest source of delays on mid-range and full gut renos is ordering materials after demo starts. Order your cabinets, tiles, and fixtures before demolition begins — ideally 8–12 weeks ahead for custom items. Once the walls are open, your contractor is on the clock and every delay costs more.
What Actually Triggers a Permit Requirement in Ontario
This is where most homeowners get caught off guard. The Ontario Building Code requires a permit any time you are making a structural alteration, moving plumbing, altering electrical systems, or adding square footage. But the line between “needs a permit” and “doesn’t need a permit” is more specific than that.
Here is the practical version:
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Moving a sink, toilet, shower, or tub drain to a new location
Requires a permit. New plumbing rough-in is involved and it must be inspected before walls close.
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Replacing a sink in the exact same location
Does not require a permit. The rough-in is untouched.
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Removing or moving a load-bearing wall
Requires a permit. Structural changes always do.
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Moving electrical outlets, adding circuits, or relocating a panel
Requires an Electrical Safety Authority (ESA) permit, which is separate from your building permit. A licensed electrician handles this.
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Adding a bathroom where one didn’t previously exist
Requires a permit. New plumbing, new electrical, and possibly structural changes are all involved.
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Adding square footage — any kind of home addition
Always requires a permit.
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Painting, replacing flooring, swapping cabinet doors, updating hardware
No permit required. These are cosmetic changes.
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Replacing a vanity, faucet, or toilet in the same location
No permit required as long as the rough-in plumbing is not touched.
One thing worth understanding: building permits, plumbing permits, and electrical (ESA) permits are separate documents. A full gut renovation may require all three. Your contractor typically manages this, but you should know which are involved so you can track them.
When in doubt, call your local municipal building department before starting. A five-minute phone call can save you from a very expensive problem later.
How to Apply for a Building Permit in Ontario
In most cases, your contractor handles the permit application. That is normal and expected. But you should understand what the process involves so you can follow along and know what to ask about.
Prepare drawings and documentation.
Most permit applications require floor plans and drawings showing the scope of work. For structural changes, you may need drawings stamped by an engineer or architect.
Submit the application.
Many Ontario municipalities now have online portals — Toronto, Ottawa, Mississauga, and others all accept applications digitally. Some smaller municipalities still require in-person submissions. Your contractor will know which applies to your area.
Pay the permit fee.
Fees vary by municipality and project scope. A typical bathroom renovation permit in Ontario runs $400–$800. A larger kitchen renovation permit can be more. Toronto charges a base of $206.53 for building permits as of 2025, scaling up from there based on square footage or construction value.
Wait for review and approval.
Ontario requires municipalities to respond to a permit application within 10 business days — but a response is not the same as approval. Actual approval for a residential interior renovation typically takes 2–6 weeks. More complex projects with structural changes or zoning considerations can take 2–3 months or more.
Display the permit on site.
Once issued, the permit card must be visible at the property during construction. This is a legal requirement, not optional.
Schedule and pass inspections.
Inspections happen at specific stages. The permit doesn’t just cover paperwork — it triggers a series of mandatory check-ins.
Pro Tip
Submit a complete, clear application the first time. Incomplete packages — missing drawings, unclear scope, absent engineering details — are the number one reason permit approvals get delayed. Every back-and-forth with the building department adds weeks.
Permit Approval Timelines Across Ontario Municipalities
This is one of the most common sources of project delays, and it is one of the hardest to predict. Approval timelines vary depending on where you live, the complexity of your project, and how busy your local building department is.
Simple Interior Reno
2 to 4 weeks
No structural changes, straightforward scope
Mid-Complexity Reno
4 to 8 weeks
Plumbing or electrical changes, no structural work
Complex or Structural Reno
8 to 12 weeks
Walls, additions, zoning involvement
Variance Required
3 months or more
Committee of Adjustment review needed
Municipalities with higher renovation volumes — like Toronto and Mississauga — can sometimes run slower than smaller cities where demand is lighter. Ottawa uses an online ePermit system, which tends to speed things up. Smaller municipalities may still be processing applications manually.
The lesson here is straightforward: apply for your permit before you schedule demolition. Not the same week. Well before.
Inspection Stages: What Happens and When
A permit is not a one-time piece of paper. It opens up a series of mandatory inspections at specific stages of construction. Missing one has real consequences.
Rough-In Inspection
This happens after rough plumbing and electrical are installed but before walls are closed. The inspector needs to see the pipes, drain locations, and wiring to confirm everything meets code. If this inspection doesn’t happen — or fails — the walls cannot close. Do not cover rough-in work without this inspection being passed.
Framing Inspection (if structural work is involved)
If walls have been moved or added, a framing inspection confirms the structural work is sound before it gets covered with drywall.
Insulation Inspection (where applicable)
For exterior-facing walls or where insulation requirements apply, an inspector may need to verify insulation before drywall goes up.
Final Inspection
Once the renovation is complete, a final inspection confirms the finished work meets all applicable code requirements. Your permit is officially closed once this is passed.
Missing an inspection has serious consequences.
If walls are closed before the rough-in inspection is done, the municipality can require you to open them back up. That means tearing out drywall, redoing finishing work, and paying for all of it. Inspection delays — where a homeowner schedules too late or misses a window — are one of the quieter causes of renovation overruns. Build inspection scheduling into your project timeline proactively.
What Happens If You Skip the Permit
Skipping permits might feel like a way to save time or money. It is not. Here is what actually happens.
🏠 Resale Problems
Home inspectors check whether work was permitted. Buyers’ lawyers ask for proof. Unpermitted work that shows up in a home inspection can kill a deal, delay closing, or force you to pull the work and redo it before sale — at your cost.
🛡️ Insurance Issues
Most home insurance policies do not cover damage caused by or resulting from unpermitted work. If a kitchen fire is traced back to an unpermitted electrical change, your insurer may deny the claim.
💰 Fines
In Toronto, a work-without-permit penalty adds 50% to the permit fee — with a maximum fine over $27,000. Other Ontario municipalities have similar penalty structures. A retroactive permit approval is also slower and more expensive than a standard one.
🔨 Forced Tear-Out
If the city discovers unpermitted work — which can happen during a later permitted project, a neighbour complaint, or a routine inspection — they can issue a stop-work order and require you to expose and potentially redo the work.
This is not scare tactics. It is factual information about real consequences that Ontario homeowners deal with every year. The permit process exists to protect your investment, your safety, and your ability to sell your home when the time comes.
Supply Chain and Contractor Availability in 2026
The renovation market in Ontario in 2026 has its own set of conditions worth understanding before you plan.
Contractor Booking Windows
Skilled trades electricians, plumbers, tile setters, cabinet installers are in high demand across Ontario. Build Force Canada estimates Ontario will need over 154,000 additional construction workers by 2034, and the shortage is being felt now. Good contractors are often booked 3–6 months out, sometimes longer for spring and summer project starts.
If you are planning a renovation for spring or early summer, start your contractor conversations in the fall or winter before. Waiting until March to find someone for a May start date is a real risk. Read our guide on how to hire contractor.
Material Lead Times
Supply chain conditions have stabilized compared to the pandemic years, but lead times for specialty items remain real. Custom cabinetry: 8–12 weeks is standard. Specialty or imported tiles: 2–6 weeks for back-orders. Custom countertop fabrication: 1–3 weeks after templating. Appliances with specific configurations: 2–6 weeks depending on model.
Stock materials from major suppliers are generally available quickly. The delays hit when you choose something that isn’t sitting in a warehouse nearby. Know your lead times before you commit to a timeline. Read our full guide on how to buy material for your renovation
How to Build a Renovation Schedule That Actually Holds
Sequencing matters more than speed. A renovation that’s done in the right order — even if it takes longer — always goes better than one that’s rushed out of sequence.
Step 1: Finalize your design before anything else
Changes made after construction starts are expensive. Know exactly what you want — layouts, fixtures, finishes — before demo happens.
Step 2: Confirm permit requirements and apply
Do this as soon as the scope is confirmed. Not after demo. Before. Permit approval time is dead time for your project unless you use it to order materials.
Step 3: Order long-lead materials immediately
Cabinets, special-order tile, countertop materials — order these the moment your design is locked, ideally while you are waiting for permit approval. They should be sitting in a warehouse or staging area before demo begins.
Step 4: Begin demolition only once the permit is in hand
Not while it’s pending. Not while you “expect it any day.” Starting demo before permit issuance can result in a stop-work order.
Step 5: Rough-in trades before walls close
Plumbing and electrical rough-in happens in open walls. Book the rough-in inspection before scheduling drywall. This is not optional.
Step 6: Follow the finishing sequence
Drywall before cabinets. Cabinets before countertops. Countertops before backsplash. Flooring typically last to protect it during the rest of the work. Don’t let impatience scramble this order.
Step 7: Schedule final inspection before punch list is closed
Book the final inspection before you consider the project done. You want the permit officially closed before you make final payment to your contractor.
Insight
Build 10–15% time contingency into any renovation schedule, especially for full gut projects. Finding unexpected plumbing, old wiring, water damage, or mould behind walls is common — not rare. A buffer in your timeline is not pessimism; it is standard planning.
Recent News and Updates for Ontario Homeowners (2025–2026)
Ontario Construction Act — January 2026
Ontario’s Construction Act was significantly amended as of January 1, 2026, under the Fighting Delays, Building Faster Act. The main change for homeowners: mandatory annual holdback release, which means contractors and subcontractors get paid on a more structured schedule. This is intended to reduce payment disputes and project delays — a good sign for renovation timelines across the province.
Skilled Trade Shortages in Ontario
The construction labour shortage is real and affecting project timelines across the GTA and beyond. Ontario is projected to need over 154,000 additional construction workers by 2034. In 2026, this means longer wait times to book trades and tighter contractor availability. Planning ahead is no longer just good advice — it is a necessity.
Online Permitting Across Ontario
More Ontario municipalities have moved to digital permit applications, including Toronto, Ottawa, Mississauga, and Guelph. This has reduced some wait times for straightforward applications, but complex projects with structural elements still go through full review regardless of submission method. Check your municipality’s website first to confirm the current application process.
Material Costs and Lead Times
Supply chain conditions have largely stabilized since the post-pandemic disruptions, but specialty items — imported tiles, custom cabinetry, certain appliance models — can still carry 2–8 week lead times. Lumber, drywall, and concrete costs remain above pre-2020 levels. Budgeting for a 10–20% material cost contingency and factoring lead times into your schedule remains the practical approach in 2026.
Frequently Asked Questions
Ready to Plan Your Kitchen or Bathroom Renovation?
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Disclaimer: The information in this article is based on research and the views of the Smart Renovations team. Permit requirements, approval timelines, and municipal processes can change and vary by location. This content is intended as general guidance only, not as legal or regulatory advice. If you have specific questions about your project or municipality, please reach out to us or contact your local building department directly.
