Interior Demolition
in Toronto & the GTA

Interior Demolition in Toronto: What to Know Before the Walls Come Out

Interior demolition removes what’s inside a building and leaves the shell standing. The exterior walls, roof and foundation stay. The finishes, fixtures, partitions, ceilings and floors that the renovation replaces come out.

Manpower Demolition does interior demolition across Toronto and the GTA from our base in Vaughan. Homeowners, renovation contractors, builders, interior designers, architects and commercial owners bring us in for this stage. Most of our residential work is done by hand, which protects the parts of the building that stay and leaves less mess for the next trades.

Below: what the work includes, Toronto’s permit rules, asbestos and lead, how a job runs, and what changes the timeline and the cost.

What Interior Demolition Includes

Every job is scoped room by room. These are the usual items:

• Drywall and plaster walls, down to the studs or the masonry.
• Ceilings, including drop ceilings and their grids.
• Flooring: carpet, hardwood, tile, vinyl, self-levelling compound and subfloor.
• Kitchens: cabinets, countertops, backsplash and appliances.
• Bathrooms: tubs, showers, vanities, toilets and tile.
• Basement finishes: framing, insulation, drywall, flooring and ceilings.
• Built-ins, millwork, trim and doors.
• Commercial fit-outs: partitions, counters, drop ceilings, flooring and fixtures in offices, stores and sales centres.

Some work sits outside an interior strip-out. Load-bearing walls, beams and posts aren’t removed on assumption: they need a design and a building permit first. Taking the whole building down is complete demolition. Asbestos and other hazardous materials are removed before the strip-out, as a separate abatement step.

Interior, Selective or Complete Demolition?

People mix these terms up, and they do overlap. Interior demolition clears the inside of a building, from a single room to a full gut, and keeps the shell. Selective deconstruction takes out specific elements and protects what’s around them, such as one wall, a section of concrete or materials worth salvaging. It’s slower and more precise. Complete demolition takes the whole structure down and clears the site.

A kitchen renovation is interior work. If you’re keeping the hardwood and the staircase while the rest is gutted, the crew works selectively around them. A teardown for a new house is complete demolition.

Kitchens and Bathrooms

A kitchen usually comes out as cabinets, countertops, backsplash and appliances, and often the flooring and drywall behind them. Bathrooms may go down to the studs. Tile and mortar make bathroom debris heavy for the size of the room.

Plumbing and electrical in the room are shut off before removal starts, so nothing live is left open. If the new layout moves plumbing, that part of the renovation needs a permit in Toronto.

One of our Google reviews comes from a large kitchen renovation in Ancaster, where the design firm running the project brought our crew in for the demolition.

Basements

Basement demolition clears old framing, insulation, drywall, ceilings and flooring so the space can be rebuilt. It’s also the first step when a basement is being lowered. The finishes come out before underpinning can start.

Toronto doesn’t require a permit to finish a basement when the work has no structural changes, no new plumbing and no second unit. Underpinning, a new basement entrance, a second unit, new plumbing or structural changes all bring a permit into the project.

Older basements can hide asbestos in floor tiles, pipe insulation and drywall compound. A general contractor in the London area hired us to remove asbestos flooring so a basement could be converted into a legal unit.

Condos

A condo adds the building’s rules to the City’s. Before you book a start date, ask the property manager for the renovation rules: elevator bookings, permitted hours, protection for hallways and elevators, the route debris has to take out of the building, and any insurance documents the building needs.

We plan the work around those rules. One client we’ve worked with for more than ten years reviewed a condo job in a high-security building with noise restrictions, where our crew removed the subfloor, self-levelling compound and drywall and sent updates every day.

Commercial Strip-Outs

Commercial interior demolition clears offices, stores and other units for a new tenant or a new design. Partitions, drop ceilings, flooring, millwork and fixtures come out, and the space is handed back clean for the fit-out crew.

Two examples from our customers’ reviews: a 3,400 sq ft sales centre gutted in three days, and a top-to-bottom gut at the old Muddy Duck in Mississauga, finished in the seven days we promised.

In a commercial building the owner should have a list of designated substances ready before the work is tendered. The asbestos section below explains why.

Do You Need a Permit for Interior Demolition in Toronto?

It depends on what comes out and what goes back in. Toronto Building’s list of projects that need a building permit includes:

• Structural or material alterations, which the City’s list describes as “adding or removing walls (i.e., changing room sizes and/or uses)”.
• Installing or changing heating or plumbing systems.
• Finishing a basement when the work includes structural changes, new plumbing, underpinning, a basement entrance or a second unit.
• Changing a building’s use, for example from a home to an office, even when no construction is planned.

The same page lists work that doesn’t need a permit, including replacing plumbing fixtures, installing cabinetry and millwork, adding or replacing insulation, and finishing a basement without the items above. Zoning rules still apply either way.

The City’s wall item doesn’t say “load-bearing”. If you plan to remove or move a wall, check with Toronto Building before it comes down. The owner is responsible for permits, and the City warns that missing ones can lead to delays, legal action or removing work that’s already done.

Mississauga, Brampton, Vaughan and the other GTA municipalities run their own building departments. Our Toronto demolition permit guide covers the City’s demolition permit in detail.

Asbestos, Lead and Other Hidden Materials

Older interiors can hide materials that have to be dealt with before demolition. Ontario’s guide to the asbestos regulation, O. Reg. 278/05, lists sprayed-on insulation and fireproofing, pipe and boiler insulation, ceiling and floor tiles, and drywall compound among the asbestos products found on demolition projects.

What Ontario’s rules say:

• Section 30 of the Occupational Health and Safety Act requires the owner of a project to list the designated substances present, including asbestos, before tendering the work and to give that list to everyone bidding. Ontario’s guide says this applies to owners of residential properties who take on projects.
• Asbestos-containing material that demolition may disturb has to be removed, as far as practicable, before the demolition starts or continues.
• O. Reg. 278/05 doesn’t apply to the owner of a home they live in, but it does apply to the contractors and workers doing the job.

Lead is the other common one. Health Canada says a home built before 1960 probably contains lead-based paint, and one built between 1960 and 1990 may have it outside and in smaller amounts inside. Sanders, heat guns and torches should never be used on it.

If testing finds asbestos, it’s removed first. We coordinate that as part of the project through our abatement service, and the strip-out follows.

Before a Wall Comes Out

A wall that looks like a plain partition can still hold up the floor above or carry pipes and wires.

If there’s any doubt about whether it’s structural, a qualified designer or engineer confirms it. A structural wall needs a design, temporary support and a building permit before it comes out.

Check what runs through it too: wiring, water supply and drain lines, vents, ductwork, and sometimes gas. Licensed trades shut these off and cap them before demolition reaches them.

How an Interior Demolition Job Runs

1. You send the scope through our form or by phone, with drawings if you have them.
2. We visit the site, review your documents and agree with you on what stays: floors you’re keeping, a staircase, cabinets going back in.
3. You get a detailed estimate, usually within 24 to 48 hours of the visit.
4. Protection goes up. The work area is closed off from the rest of the space, and floors are covered along the route debris takes out.
5. Electrical, plumbing, gas and ventilation in the work area are isolated by the right trades.
6. Fixtures, doors, trim and anything being reused come out first.
7. The strip-out works from the top down, ceilings before walls and walls before floors. Residential work is mostly done by hand.
8. Debris is hauled away as the work goes.
9. The space is cleaned and handed over ready for the next trade, under our No Nail Left Behind™ standard.

Debris: Bins, Permits and Drop-Off Depots

We haul the debris away as part of the job. If you’re arranging a bin yourself, a few Toronto rules apply:

• A disposal bin, or a bin with a drop chute, on the boulevard, sidewalk, road or a public lane needs a Street Occupation Permit. It’s issued in person and charged by the day.
• That permit covers the area beyond your property line, so a bin on your own driveway doesn’t need one.
• For smaller loads, the City’s drop-off depots take renovation waste. Some accept clean drywall up to one tonne and others take no drywall, and you pay a deposit before unloading. Our Toronto drop-off depots guide lists them.

Living or Working in the Space During the Work

You don’t always have to move out. Living without one bathroom during a strip-out is usually manageable. A full gut that takes the kitchen and every bathroom at once is much harder to live with.

Toronto’s noise bylaw allows construction noise from 7 a.m. to 7 p.m. on weekdays and from 9 a.m. to 7 p.m. on Saturdays. It’s not allowed on Sundays or statutory holidays. A condo or commercial building may set tighter hours of its own, and the schedule follows those.

For a business that stays open, agree with the landlord or property manager on hours, entrances and the debris route before the start date.

How Long Interior Demolition Takes

A selective interior gut often takes one to four days on site. Larger commercial spaces take longer, though not always by much: one customer’s 3,400 sq ft sales centre was gutted in three days, and the Muddy Duck gut took the seven days we’d promised.

These things stretch the timeline:

• Asbestos or lead found before or during the work.
• A permit, if walls, plumbing or the use of the space are changing.
• Access: stairs, elevator bookings, long carries to the bin and downtown parking.
• Building hours in condos and commercial buildings.
• Surprises behind the walls, such as services that aren’t on any drawing.

What Drives the Cost

Every interior job is priced after a site visit, because two jobs of the same size can differ a lot. The estimate depends on:

• How much comes out, and how many layers there are, such as new tile laid over old.
• The materials. Plaster and tile take longer than drywall and carpet.
• How much stays and needs protecting.
• Access: floors, elevators and the distance to the bin.
• The volume of debris and its disposal.
• Asbestos or lead testing and removal.
• Building rules on hours, elevator bookings and protection.
• Permits or engineering for any structural change.

Mistakes to Avoid

• Taking out a wall before checking whether it’s structural and whether it needs a permit.
• Starting before anyone has checked for asbestos in an older building.
• Leaving services live. Wiring, water and gas need to be shut off and capped first.
• Demolishing before the new design is final, then paying to rebuild something that could have stayed.
• Leaving the condo’s rules until the crew is at the loading dock.
• Choosing on price alone without asking how the debris leaves the building and who cleans up.

Interior Demolition Across the GTA

We do interior demolition across Toronto and the GTA, including Mississauga, Brampton, Vaughan, Oakville, Milton, Ajax and Scarborough. Each municipality runs its own building department, so permit steps change from city to city. Our pages for Toronto, Mississauga and Oakville cover the local details.

Interior Demolition Questions

What does interior demolition include?

It removes what’s inside a building while the shell stays: walls and ceilings down to the studs, flooring and subfloor, kitchens, bathrooms, built-ins and commercial fit-outs. Structural members come out only with a design and a permit.

Do I need a permit for interior demolition in Toronto?

Toronto requires a building permit for structural or material alterations, including adding or removing walls that change room sizes or uses, for installing or changing plumbing or heating, and for a change of use. Replacing plumbing fixtures and installing cabinets don’t need one. Check with Toronto Building before you remove any wall.

How long does interior demolition take?

A selective interior gut often takes one to four days on site. Asbestos, permits, access and building hours can stretch that.

Can interior demolition be done in an occupied condo?

Yes, within the building’s rules. Ask the property manager about elevator bookings, work hours and protection for common areas before you set a start date.

Do you remove asbestos before demolition?

Yes. If testing finds asbestos, it’s removed first through our abatement service, and the strip-out follows. In Ontario, asbestos that demolition may disturb has to be removed, as far as practicable, before the work starts.

Can a load-bearing wall be removed?

Yes, but not on assumption. It needs a design from a qualified designer or engineer, temporary support and a building permit before it comes out.

Do you take the debris away?

Yes. Debris is hauled away as part of the job, and the space is left clean for the next trade.

Do I need a permit for a bin on the street in Toronto?

Yes, if the bin sits on the boulevard, sidewalk, road or a public lane. That’s a Street Occupation Permit, issued in person and charged by the day. A bin on your own driveway doesn’t need one.

What’s the difference between interior and selective demolition?

Interior demolition clears the inside of a building. Selective deconstruction removes specific elements and protects what’s around them. A renovation can use both.

Do you work with contractors and designers?

Yes. Renovation contractors, builders, interior designers and architects bring us in for the demolition stage of their projects.

How quickly can I get an estimate?

Usually within 24 to 48 hours after we assess the site. Send the scope through the form or call (905) 597-8333.