Greater Toronto Area Bat Removal & Bat Control
Humane, guaranteed bat removal across London & surrounding areas — over 30 years of specialist experience.
We Bat-Proof Houses & Humanely Exclude The Bats!
We Are Not A Wildlife Company
We’re Bat Specialists.
If bats are getting into your house, attic, walls or living space, the problem is never just one hole.
All GTA homes contain many hidden construction gaps that bats can exploit. As bat control specialists we find the active entry points, install humane excluders, and permanently bat-proof the structure so the bats cannot return.
Bat Removal in the Greater Toronto Area Is Really a Bat-Proofing Problem
If you have bats in your house in the Greater Toronto Area, the real question is not just, “How do I get the bats out?”
The real question is, how are they getting into the structure in the first place?
Bats do not chew holes into houses. They use existing construction gaps. On GTA homes, those gaps are commonly found where shingles meet fascia, where aluminum soffit meets brick, where dormers meet rooflines, around gable vents, behind loose flashing, under missing or poorly fitted drip edge, around chimneys, and where porch roofs or attached garages intersect with the main house.
A proper bat control job has to solve the structure problem, not just the bat problem.
The correct order matters:
First, the house is bat-proofed by closing secondary and potential entry points. Then excluders are installed on the final active entry points so bats can leave but cannot re-enter.
Simply installing a tube, cone, plastic device, or piece of mesh over one obvious hole is not complete bat control. If the rest of the house is still full of gaps, the bats can move to another opening.
Why GTA Homes Get Bats
“The best way to remove bats from a GTA home is humane exclusion combined with complete bat-proofing. The house is sealed first, then excluders are installed on the final active entry points.”
Many homes across Toronto, Mississauga, Brampton, Vaughan, Markham, Richmond Hill, Oakville, Burlington, and Durham Region have the same types of construction details that bats can use.
GTA homes often have:
But just below the surface are gaps bats use.
The Hidden Roof Edge Gaps We Find All Over the GTA
Most GTA Bat Problems Involve Big Brown Bats
Across the GTA, many homes are built or re-roofed without proper drip edge flashing. Instead, the shingles are often overextended into the eavestrough, leaving hidden gaps under the first row of shingles. These roof-edge gaps can give big brown bats and mice access behind the fascia, soffits, walls, and attic spaces.
Most homeowners never notice these gaps from the ground, and many wildlife companies ignore them completely. We don’t. Proper bat-proofing means inspecting and sealing the roof edge properly.
In the Greater Toronto Area, most residential bat problems involve big brown bats.
Most GTA homeowners never see the real entry points. They may only notice a bat inside the living space, a stain on brick, droppings on a deck, or scratching in a wall. The actual opening is often higher up, around a roofline, dormer, soffit, fascia board, vent, or chimney area.
Big brown bats do not usually create the huge attic colonies people imagine when they think of “bats in the attic.”
They often live in smaller numbers and use wall cavities, roofline voids, soffit spaces, insulation edges, finished ceiling spaces, and hidden construction gaps.
That is why a homeowner may find one bat in a bedroom, basement, hallway, or living room without seeing hundreds of bats flying around the attic.
One bat inside does not automatically mean there are hundreds of bats in the house. But it does mean the house should not be dismissed as a fluke. If a bat is showing up inside the living space, there is a reason it got there.
Bats do not normally come in through open doors and windows. They are usually already using part of the structure.
Common Bat Entry Points on GTA Homes
Soffit and Shingle Intersections
One of the most common bat entry areas on GTA homes is where aluminum soffit, fascia, and roof shingles meet.
These intersections often leave a long, narrow gap along the roof edge. The gap may be hidden under the fascia, behind the drip edge, or where the soffit terminates above the shingles.
Bats can crawl into these openings and move into roof or wall spaces.
Dormers and Roof Returns
Dormers create several bat entry opportunities because they bring shingles, fascia, siding, soffit, trim, and flashing together in a small area.
A dormer may have gaps:
- Under the fascia
- Along the shingle edge
- Behind sidewall flashing
- Where soffit meets siding
- Where the dormer roof meets the main roof
- Around small roof returns and trim details
These are exactly the types of openings that are hard to see from the ground but easy for bats to use.
These are exactly the types of openings that are hard to see from the ground but easy for bats to use.
Brick-to-Soffit Gaps
Many GTA homes have aluminum soffit installed above brick walls. If the soffit does not seal tightly to the brick, a gap can remain along the top of the wall.
These gaps are especially common near:
- Corners
- Porch roofs
- Attached garages
- Gable ends
- Wall flashings
- Roofline transitions
- Dormers
Gable Vents
Gable vents are another common bat entry area.
Old screens, loose mesh, damaged frames, missing fasteners, and gaps around the vent can all allow bats into attic or wall spaces.
Bat droppings below a gable vent are often a strong sign of bat activity. The droppings may collect on siding, brick, decks, roof surfaces, or the ground below the vent.
Chimneys, Wall Flashings, and Roof-to-Wall Intersections
Any place where a roof meets a wall, chimney, dormer, porch, or garage can create bat entry gaps.
These areas are often complicated because several materials overlap: shingles, flashing, brick, siding, soffit, fascia, trim, and caulking. When these details are poorly sealed or left open, bats can use them as hidden entry points.
These areas need proper materials. A smear of cheap caulking or a piece of mesh jammed into a gap is not proper long-term bat-proofing.
Thornhill Bat Removal Case Study: Before and After Bat-Proofing on a GTA Home
This Thornhill bat control job is a good example of why GTA bat problems are rarely just one obvious hole.
The home had bat activity around roofline and soffit construction details
— the same types of gaps found on many homes throughout Toronto, Vaughan, Markham, Richmond Hill, Mississauga, Brampton, Oakville, Burlington, and the rest of the Greater Toronto Area.
The solution was not to hang a bat house, spray repellent, or cover one visible opening.
The house had to be properly bat-proofed. Secondary and potential entry points were closed first, and excluders were installed only on the final active entry points so the bats could leave but not get back in.
The Problem
The homeowner had the occasional bats showing up inside their home.
The bats were using roofline gaps found throughout the exeterior of the house.
Like many modern GTA homes, the problem areas were numerous with both large & not large, obvious & not so obvious holes.
There were construction gaps around the soffit, fascia, shingles, flashing, and roof intersections.
In other words it was full of exactly the kinds of openings that urban big brown bats commonly use to enter suburban brick homes with aluminum soffits, fascia and complex rooflines.
What We Found
During the inspection, we found potential bat entry points around the roofline where different building materials met.
Some of these areas can look minor from the ground, but to a bat, a narrow gap under a fascia board, beside a roof return, behind flashing, or at a soffit-shingle intersection can be a usable entry point.
This Thornhill, Ontario home was typical of many GTA bat problems. There were no obvious signs of a large bat infestation, and there was actually more visible evidence of mice than bats.
If bats had not started appearing inside the house, the homeowners likely never would have known that local big brown bats were using hidden access points to get into the walls and attic.
Here is how bats typically go from attics to inside your living space.
Here we see the main entry points.
The important point is that the visible entry points are never the whole problem. The entire roofline has to be assessed, because bats can move from one opening to another if only the obvious gap is dealt with.
What We Did
The house was bat-proofed by closing the secondary and potential entry points first.
Custom metal flashings, proper sealants, and bat-proof screening were used where needed. The goal was to remove the other options before installing the excluders.
Once the surrounding structure was protected, bat excluders were installed on the active entry points so the bats could exit safely without being able to re-enter.
The Result
After the bats were excluded, the final openings were permanently closed.
The result was not just “bat removal.” It was proper bat-proofing designed to stop the same problem from continuing anywhere else on the same house.
Why this Thornhill job matters:
This case shows why GTA bat control needs more than a one-way door over one visible hole. Bats can use small construction gaps around soffits, fascia, shingles, dormers, wall flashings, gable vents, and roof intersections. If the whole structure is not bat-proofed, the bats can simply move to another opening.
Thornhill Case Study Photo Layout
Bat Entry Gaps on a Thornhill Home
Custom Bat-Proofing and Excluder Installation
How Proper Bat Removal Works on GTA Homes
Proper bat removal is not chasing bats, putting mothballs in the attic, spraying repellents, or hoping they move into a bat house.
The only proper solution is humane exclusion combined with complete bat-proofing.
Step 1: Inspect the Entire Roofline and Exterior
The obvious hole is rarely the only problem.
The entire exterior has to be checked for active, secondary, and potential entry points. On GTA homes, this often includes soffits, fascia, gable vents, chimneys, dormers, roof returns, attached garages, porch roofs, brick-to-soffit gaps, wall flashings, roof vents, and drip edge details.
Step 2: Bat-Proof the House First
Secondary gaps and potential re-entry points are closed with proper materials.
Depending on the opening, this may involve custom metal flashing, roof-safe sealants, vent screening, soffit repairs, fascia work, chimney details, or other construction-specific repairs.
This step is critical. If the rest of the house is still open, bats may simply move to another gap.
Step 3: Install Excluders on the Final Active Entry Points
After the surrounding structure has been protected, one-way excluders are installed on the final active entry points.
These excluders allow bats to leave safely but prevent them from getting back in.
Step 4: Remove the Excluders and Permanently Finish the Area
After the bats are out, the excluders are removed and the final openings are permanently closed.
That is the difference between temporary bat removal and real bat-proofing.
Excluding bats first and then trying to seal the rest of the house later is backwards. The house should be bat-proofed first, then excluders should be installed on the remaining active entry points.
Custom Bat Excluders and Flashings for GTA Homes
Many bat problems happen at complicated roofline intersections where a generic plastic tube, mesh cone, or hardware-store solution does not fit properly.
That is why Bat Control Specialists uses custom excluders and custom flashing systems designed for the specific opening.
A proper excluder has to do two things:
It has to let bats leave safely.
It has to prevent bats from getting back in.
But the excluder is only part of the job. The surrounding gaps have to be closed first, or the bats may simply bypass the excluder and use another opening nearby.
Cheap plastic excluders can crack, fail, or be chewed by rodents. Mesh tubes can collapse, trap bats, or fail to protect the surrounding gaps. A proper bat exclusion system has to match the structure, the opening, the roof material, the soffit detail, and the direction bats are using the gap.
I
Will a Bat House Get Bats Out of a GTA Home?
No. A bat house will not make bats leave your house.
If bats are already using a house, they are using it because it provides what they want: height, warmth, shelter, darkness, weather protection, and access to hidden spaces.
A bat house on a pole does not erase the attraction of the roofline, attic, soffit, wall cavity, chimney gap, or hidden opening they are already using.
Bat houses may attract bats in some situations, but they are not a bat removal method. They do not remove bats from a house. They do not seal entry points. They do not stop bats from re-entering. They do not solve a structural bat problem.
Bats will not choose a bat house over a house they are already using.
Why Many Bat Removal Jobs Fail
Many failed bat jobs happen because the company only deals with the obvious hole.
They install a tube, screen, cone, or one-way door where they see bat activity, but they do not understand how bats use the rest of the roofline.
Bats are not like raccoons or squirrels. They can use very small gaps. They can move through roof systems, soffits, wall cavities, attic edges, and hidden construction spaces. If the rest of the house is not properly bat-proofed, bats can simply move to another opening.
This is why bat control should be done by specialists who understand bat behaviour, construction gaps, roof materials, soffit systems, sealants, flashing, and long-term prevention.
A successful job is not measured by whether a device was installed. It is measured by whether the house has been properly bat-proofed so the bats cannot keep using it.
What Should You Do If You Find a Bat Inside Your GTA Home?
If a bat shows up inside the living space, it should not be dismissed as a fluke.
Bats do not normally fly in through open doors and windows. If one bat is found inside, it usually means bats are using some part of the structure.
The bat may have come down through a wall cavity, furnace room, basement ceiling, open chase, heat register, attic access gap, unfinished ceiling area, or space around plumbing or ductwork. In many homes, bats can also move under interior doors once they reach the living space.
Finding one bat inside does not automatically mean there are hundreds of bats. But it does mean the house should be treated as a bat entry problem.
Greater Toronto Area Bat Control Service Areas
Bat Control Specialists provides residential bat control, humane exclusion, and complete bat-proofing throughout the Greater Toronto Area.
Toronto Area
Toronto
Etobicoke
Scarborough
North York
East York
Peel, York, and Halton
Mississauga
Brampton
Vaughan
Markham
Richmond Hill
Oakville
Burlington
Durham Region and Surrounding GTA Areas
Pickering
Ajax
Whitby
Oshawa
Courtice
Bowmanville
Thornhill
Bat Removal Across the GTA
Toronto Bat Removal
Toronto homes can have older construction details, brick-to-soffit gaps, roof repairs, additions, semi-detached structures, tight access areas, and complicated rooflines.
Bats may use small hidden openings around fascia, gables, soffits, chimneys, dormers, and roof returns. In older or attached homes, interior movement can also be more complicated because bats may move through shared or hidden construction spaces.
Mississauga Bat Removal
Many Mississauga homes have suburban brick construction, aluminum soffit, dormers, attached garages, front porch roofs, and roofline intersections that create bat entry opportunities.
The most common problems are often not large holes, but small gaps where materials meet.
Brampton Bat Removal
Brampton homes often have long soffit runs, brick walls, dormers, roofline intersections, gable peaks, attached garages, and builder-style gaps.
These details can create hidden entry points that bats use to reach wall cavities, attic edges, and roof spaces.
Vaughan, Markham, Richmond Hill, Oakville, Burlington, and Durham Region
Across the GTA, bat problems are usually found around roofline construction details, not open doors or windows.
Whether the home is in Vaughan, Markham, Richmond Hill, Oakville, Burlington, Pickering, Ajax, Whitby, or Oshawa, the same principle applies: the bats have found a gap in the structure, and that gap has to be found, excluded, and permanently bat-proofed.
Lifetime Bat-Proofing Warranty
Bat Control Specialists provides a lifetime bat-proofing warranty that we will fix the problem, provided our work is not altered, damaged, removed, or changed by someone else.
That means the goal is not simply to install a device and hope the bats leave.
The goal is to fix the problem.
If we miss something, we come back and fix it. No charge.
Many wildlife companies offer a “workmanship warranty,” but that often only means they warranty the work they happened to do. It does not necessarily mean the bat problem is fixed. Our approach is different. We are hired to solve the bat problem by bat-proofing the structure properly.
GTA Bat Removal FAQ
Do you provide bat removal in the Greater Toronto Area?
Yes. Bat Control Specialists provides residential bat removal, humane exclusion, and complete bat-proofing throughout the Greater Toronto Area, including Toronto, Mississauga, Brampton, Vaughan, Markham, Richmond Hill, Oakville, Burlington, Thornhill, Pickering, Ajax, Whitby, and Oshawa.
What is the best way to remove bats from a house?
The best method is humane exclusion combined with complete bat-proofing. The house should be sealed first, leaving only the active exit points open with properly installed one-way excluders.
Will a bat house make bats leave my house?
No. A bat house will not make bats leave a house they are already using. Bat houses do not seal entry points and should not be considered a bat removal method.
Are bats in GTA homes usually in the attic?
Sometimes, but not always. Big brown bats usually live in wall cavities, but enter in thru soffits, roofline voids, insulation edges, and hidden construction gaps. A homeowner may find a bat inside without seeing a large attic colony.
Can bats get in through soffit gaps?
Yes. Gaps between soffits, fascia, shingles, brick, dormers, and roof returns are common bat entry points on GTA homes.
Do bats chew holes into houses?
No. Bats do not chew holes into houses. They use existing construction gaps created by building details, age, movement, missing materials, poor repairs, or openings left by builders.
Why did bats come back after another company sealed a hole?
Most likely because the house was not completely bat-proofed. If only one obvious entry point was addressed, bats may move to another gap on the same structure.
What does bat-proofing mean?
Bat-proofing means closing the openings bats can use to enter the structure. This includes active entry points, secondary openings, and potential re-entry points around the roofline, soffits, fascia, vents, flashing, chimneys, and other construction gaps.
Do you remove single bats from inside homes?
Bat Control Specialists focuses on complete residential bat control and bat-proofing, not emergency single-bat removal. If a bat has appeared inside, the important issue is how it got into the structure.
Need Bat Control in the Greater Toronto Area?
If you are dealing with bats in a GTA home, the important question is not just how to get the bats out.
The important question is how to keep them from getting back in.
Bat Control Specialists provides humane bat exclusion, complete bat-proofing, custom excluders, roofline sealing, vent protection, and lifetime warranty coverage for residential bat problems across the Greater Toronto Area.
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![Bat-excluder installed beside chimney under the soffit of a thornhill ontario home. after photo of a bat-proofed plumbing stack. - [ ] By Bat Control Specialists Canadas No1 bat control and bat removal company.](https://batcontrolspecialists.com/wp-content/uploads/2026/06/00BF6748-DF0D-4BB3-B968-0D1F7C8A0782_1_105_c-edited-1.jpeg)

































