Etobicoke

Home Additions in Etobicoke

From second storeys on postwar bungalows in Alderwood, Long Branch and New Toronto to rear extensions on Kingsway and Sunnylea character homes, we design and build Etobicoke home additions and handle every City of Toronto approval.

Etobicoke Addition Specialists

Why Etobicoke Additions Need a Different Approach

Etobicoke is full of bungalows, and a bungalow is the ideal starting point for an addition. The postwar houses of Alderwood, Long Branch, New Toronto, Mimico and Eatonville sit on lots that usually leave room to build up, and a second storey can double the living space without giving up the back yard. On wider lots, a rear or side extension for a bigger kitchen and family room is the other common brief.

In The Kingsway, Sunnylea, Princess-Rosethorn and Thorncrest Village the houses are older and more distinctive, so the work is about adding space that looks like it belongs. That means matching brick, rooflines and window proportions, and keeping the addition within what the zoning by-law allows so the project does not stall at the Committee of Adjustment.

As part of the City of Toronto, every Etobicoke addition starts with a zoning certificate, then a minor variance if the design breaks a zoning rule, then the building permit. In 2025 the next available Committee of Adjustment hearing in Etobicoke York was about six weeks out. Lots along the Humber, Mimico Creek and Etobicoke Creek valleys may also need a TRCA permit. We manage all of it from our Oakville office.

  • Licensed & insured contractors
  • Transparent, itemized pricing
  • Permits & approvals handled for you
  • On-time delivery, every project
Rear addition with a timber-clad upper storey and a glazed ground floor
12Years in the GTA
1,800+Projects Completed
$300–$500Per Sq Ft, Single-Storey
100%On-Time Guarantee
What We Build

Home Additions We Build in Etobicoke

Every kind of Etobicoke addition and extension, from a few extra feet to a whole new floor.

Second-Storey Additions

A full new floor on an Alderwood, Long Branch or New Toronto bungalow, with structural review of the existing walls and footings.

Rear Extensions

Pushing the back of the house out for a larger kitchen, a family room or a main-floor bedroom.

Side Additions

Using spare side yard on wider and corner lots, designed around fire-safety limits on windows near the lot line.

Bump-Outs

A few extra feet for a kitchen, primary bedroom or mudroom, with the same zoning check and permit as a larger addition.

Character Home Additions

Additions to Kingsway, Sunnylea and Thorncrest Village homes that match the original brick and rooflines.

Above-Garage Additions

A bedroom suite or office built over an existing attached garage.

Local Expertise

What Makes an Addition in Etobicoke Different

These are the things that actually decide what you can build in Etobicoke, how long approvals take and what it costs.

Bungalow Lots

Postwar bungalows usually have room to build up. We confirm the foundation can carry a second storey before design starts.

Zoning Certificate First

Toronto requires a zoning certificate before a permit application is complete. The 2026 fee for a house addition is $644.38.

Committee of Adjustment

If the design needs a minor variance, the 2026 fee is $2,228.98. Etobicoke York hearings were about six weeks out in 2025.

Reduced Setbacks

Since November 21, 2025, most minimum setbacks are deemed 90% of the by-law figure, but not within 120 m of a valley or the lake.

Ravines and Creeks

Lots along the Humber, Mimico Creek and Etobicoke Creek valleys may sit in a TRCA regulated area and need a separate permit.

Private Trees

Injuring or removing a private tree 30 cm or more in diameter needs a City permit, $436.39 per tree in 2026.

Pricing

What a Home Addition Costs in Etobicoke

Across the GTA, a small bump-out typically costs $30,000 to $70,000, a single-storey rear or side addition $80,000 to $200,000, and a second-storey addition $150,000 to $400,000 or more. Per square foot, most single-storey additions land between $300 and $500, and second storeys between $350 and $550, because the existing structure has to carry the new floor and a staircase is added.

In Etobicoke, the big decision is up or out. A second storey on a bungalow costs more per square foot but keeps the yard and can add several bedrooms and a bathroom at once; a rear extension is simpler but limited by the rear yard and building depth. Budget separately for the survey, drawings, engineering, the zoning certificate, any variance and a 10 to 15% contingency in an older house.

Read our full GTA home addition cost guide →

Where We Work

Etobicoke Neighbourhoods We Serve

We build additions right across Etobicoke, from the lakeshore to the north end.

The Kingsway
Mimico
New Toronto
Long Branch
Alderwood
Islington
Markland Wood
Princess-Rosethorn
Thorncrest Village
Sunnylea
Eatonville
Richview
Kingsview Village
How It Works

Our Simple 5-Step Process

From the first site visit to the final inspection, we make adding space to your Etobicoke home clear and stress-free.

1

Reach Out

Call us or fill out our quick form to tell us how much space you need.

2

Free Consultation

We visit your home, review your lot and zoning, and talk through design, budget and approvals.

3

Detailed Estimate

You receive a transparent, itemized estimate within 2 to 3 business days.

4

Review & Refine

We walk through the proposal together until you are fully confident.

5

Sign & Start

We lock in your start date and handle scheduling, permits and coordination.

Good to Know

Etobicoke Home Addition FAQs

How much does a home addition cost in Etobicoke?
A bump-out typically costs $30,000 to $70,000, a single-storey rear or side addition $80,000 to $200,000, and a second-storey addition $150,000 to $400,000 or more. Most single-storey additions land between $300 and $500 per square foot.
How long does a home addition take in Etobicoke?
Once the permit is issued, a bump-out typically takes 4 to 6 weeks on site, a single-storey addition 3 to 5 months and a second-storey addition 4 to 6 months. Design, drawings and the building permit usually take 2 to 3 months before that, and a Committee of Adjustment variance adds 2 to 4 months. In 2025 the next Etobicoke York hearing was about six weeks out.
Can I put a second storey on my Etobicoke bungalow?
Usually, yes. Many postwar bungalows in Alderwood, Long Branch and New Toronto have room to build up. An engineer confirms the existing walls and footings can carry the new floor, and the design is checked against height and floor area limits.
Do I need a permit for a home addition in Etobicoke?
Yes. Any addition, including a small bump-out, sunroom or second storey, needs a City of Toronto building permit, and the City requires a zoning certificate before the permit application is considered complete. We prepare both.
Do I need a minor variance for my addition?
Only if the design breaks a zoning rule, most often floor area, side yards, main wall height, lot coverage or building depth. The 2026 Committee of Adjustment fee for a house with up to three units is $2,228.98.
Can my neighbour stop my addition?
Neighbours are notified and can comment at a Committee of Adjustment hearing, but since November 2022 they can no longer appeal a minor variance decision. Only the applicant, the Minister and specified public bodies can.

Ready to Add Space to Your Etobicoke Home?

Book a free consultation. We will check what your lot allows, tell you which approvals your design needs and give you an itemized estimate.

Serving Etobicoke from our Oakville office — 1040 Speere Rd, Oakville, ON L6L 2X4 · All Etobicoke renovation services