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21 Lowther Avenue
Annex Toronto M5R 1C5

$6,190,000
Residential Freehold beds: 4 baths: 6.0

Front
Photo 1: 21 Lowther Avenue in Toronto: Annex House for sale (Toronto C02)  : MLS®# C12510614
Photo 2: 21 Lowther Avenue in Toronto: Annex House for sale (Toronto C02)  : MLS®# C12510614
Photo 3: 21 Lowther Avenue in Toronto: Annex House for sale (Toronto C02)  : MLS®# C12510614
Photo 4: 21 Lowther Avenue in Toronto: Annex House for sale (Toronto C02)  : MLS®# C12510614
Photo 5: 21 Lowther Avenue in Toronto: Annex House for sale (Toronto C02)  : MLS®# C12510614
Photo 6: 21 Lowther Avenue in Toronto: Annex House for sale (Toronto C02)  : MLS®# C12510614
Photo 7: 21 Lowther Avenue in Toronto: Annex House for sale (Toronto C02)  : MLS®# C12510614
Photo 8: 21 Lowther Avenue in Toronto: Annex House for sale (Toronto C02)  : MLS®# C12510614
Photo 9: 21 Lowther Avenue in Toronto: Annex House for sale (Toronto C02)  : MLS®# C12510614
Photo 10: 21 Lowther Avenue in Toronto: Annex House for sale (Toronto C02)  : MLS®# C12510614
Photo 11: 21 Lowther Avenue in Toronto: Annex House for sale (Toronto C02)  : MLS®# C12510614
Photo 12: 21 Lowther Avenue in Toronto: Annex House for sale (Toronto C02)  : MLS®# C12510614
Photo 13: 21 Lowther Avenue in Toronto: Annex House for sale (Toronto C02)  : MLS®# C12510614
Photo 14: 21 Lowther Avenue in Toronto: Annex House for sale (Toronto C02)  : MLS®# C12510614
Photo 15: 21 Lowther Avenue in Toronto: Annex House for sale (Toronto C02)  : MLS®# C12510614
Photo 16: 21 Lowther Avenue in Toronto: Annex House for sale (Toronto C02)  : MLS®# C12510614
Photo 17: 21 Lowther Avenue in Toronto: Annex House for sale (Toronto C02)  : MLS®# C12510614
Photo 18: 21 Lowther Avenue in Toronto: Annex House for sale (Toronto C02)  : MLS®# C12510614
Photo 19: 21 Lowther Avenue in Toronto: Annex House for sale (Toronto C02)  : MLS®# C12510614
Photo 20: 21 Lowther Avenue in Toronto: Annex House for sale (Toronto C02)  : MLS®# C12510614
Photo 21: 21 Lowther Avenue in Toronto: Annex House for sale (Toronto C02)  : MLS®# C12510614
Status:
Active
Prop. Type:
Residential Freehold
MLS® Num:
C12510614
Bedrooms:
4
Bathrooms:
6
Set on one of Yorkvilles most desirable streets, 21 Lowther Avenue is a home of rare distinction a modern architectural masterpiece by Charles Bunker, offering over 7,000 sq. ft. of refined living space. Designed with an emphasis on volume, proportion, and light, this residence combines impressive scale with effortless livability.The main floors loft-inspired layout creates an airy sense of openness, ideal for both grand entertaining and relaxed everyday living. Exceptional craftsmanship, soaring ceilings, and two rooftop terraces define the homes elevated style. Upstairs, generous bedrooms, library and family spaces, and luxurious detailing throughout provide a perfect balance of comfort and sophistication.With its extraordinary design, thoughtful flow, and unbeatable Yorkville location, 21 Lowther Avenue stands as a truly one-of-a-kind offering a home that embodies timeless quality and contemporary elegance in equal measure. 4 Levels above Grade.
Property Type:
Residential Freehold
Property Sub Type:
Detached
Home Style:
Other
Total Approx Floor Area:
5000 +
Lot Depth:
138'3"
Lot Frontage:
21'3"
Direction Faces:
South
Bedrooms:
4
Bathrooms:
6.0
Water supply:
Municipal
Kitchens:
2
Bedrooms Above Grade:
4
Kitchens Above Grade:
2
Rooms Above Grade:
12
Heating type:
Forced Air
Heating Fuel:
Gas
Foundation:
Unknown
Roof:
Asphalt Rolled
Basement:
Finished, Finished with Walk-Out, Separate Entrance, Walk-Out
Fireplace/Stove:
Yes
Garage:
None
Garage Spaces:
2.0
Parking Spaces:
2
Total Parking Spaces:
2.0
Family Room:
Yes
Pool:
None
Link:
No
HST Applicable To Sale Price:
Included In
Assessment Year:
2025
Taxes:
$25,262 / 2025
Assessment:
$- / 2025
Toronto
Toronto C02
Annex
Bar Fridge, Built-In Oven, Central Vacuum, Garburator, Guest Accommodations, Water Heater Owned, Separate Hydro Meter, Floor Drain
Please Include All Built-In Appliances, All Window Coverings, All Electric Light Fixtures, All Built-In Shelving, Newly Replaced Furnace , A/C & Hot Water Tank (2024) All Owned. New Driveway (October 2025)
Other
No
Floor
Type
Size
Other
Ground
Foyer
9' × 6'6"
B/I Closet
Ground
Library
12'10" × 9'3"
Bamboo, Casement Windows
Ground
Living Room
23'11" × 14'10"
Bamboo, W/O To Garden, Fireplace
Ground
Kitchen
17'4" × 14'10"
B/I Appliances, Bamboo, Breakfast Area
Ground
Dining Room
17'5" × 16'
Bamboo, Hardwood Floor, Open Concept
Ground
Pantry
6'11" × 6'7"
B/I Shelves
Second
Primary Bedroom
19'8" × 14'10"
Fireplace, Bamboo, Window Floor to Ceiling
Second
Game Room
16'6" × 10'8"
B/I Bookcase, Bamboo, Combined w/Library
Second
Library
22'3" × 16'6"
B/I Bookcase, B/I Shelves, Bamboo
Third
Bedroom
14'4" × 13'6"
Double Closet, Broadloom, 4 Pc Ensuite
Third
Bedroom
13'10" × 9'6"
Double Closet, Broadloom, 3 Pc Ensuite
Third
Family Room
18'6" × 14'10"
W/O To Deck, B/I Bar, Broadloom
Upper
Bedroom
17' × 11'
3 Pc Ensuite, Sliding Doors, Broadloom
Upper
Office
14' × 7'
W/O To Deck, Broadloom
Energy Certification:
No
Green Property Information Statement:
No
Special Designation:
Unknown
Sewers:
Sewer
Air Conditioning:
Central Air
Central Vacuum:
Yes
Seller Property Info Statement:
No
Laundry Level:
Upper Level
Date Listed:
Nov 05, 2025
  • Photo 1: 21 Lowther Avenue in Toronto: Annex House for sale (Toronto C02)  : MLS®# C12510614
    Front
  • Photo 2: 21 Lowther Avenue in Toronto: Annex House for sale (Toronto C02)  : MLS®# C12510614
    Photo 2 of 21
  • Photo 3: 21 Lowther Avenue in Toronto: Annex House for sale (Toronto C02)  : MLS®# C12510614
    Kitchen
  • Photo 4: 21 Lowther Avenue in Toronto: Annex House for sale (Toronto C02)  : MLS®# C12510614
    Walkout to Patio
  • Photo 5: 21 Lowther Avenue in Toronto: Annex House for sale (Toronto C02)  : MLS®# C12510614
    Kichen
  • Photo 6: 21 Lowther Avenue in Toronto: Annex House for sale (Toronto C02)  : MLS®# C12510614
    Games Room
  • Photo 7: 21 Lowther Avenue in Toronto: Annex House for sale (Toronto C02)  : MLS®# C12510614
    Bedroom
  • Photo 8: 21 Lowther Avenue in Toronto: Annex House for sale (Toronto C02)  : MLS®# C12510614
    Stairs to 4th Fllor
  • Photo 9: 21 Lowther Avenue in Toronto: Annex House for sale (Toronto C02)  : MLS®# C12510614
    Bedroom
  • Photo 10: 21 Lowther Avenue in Toronto: Annex House for sale (Toronto C02)  : MLS®# C12510614
    Photo 10 of 21
  • Photo 11: 21 Lowther Avenue in Toronto: Annex House for sale (Toronto C02)  : MLS®# C12510614
    Family Room Wet Bar
  • Photo 12: 21 Lowther Avenue in Toronto: Annex House for sale (Toronto C02)  : MLS®# C12510614
    Large Deck with Walkout
  • Photo 13: 21 Lowther Avenue in Toronto: Annex House for sale (Toronto C02)  : MLS®# C12510614
    M/F Patio
  • Photo 14: 21 Lowther Avenue in Toronto: Annex House for sale (Toronto C02)  : MLS®# C12510614
    Washroom
  • Photo 15: 21 Lowther Avenue in Toronto: Annex House for sale (Toronto C02)  : MLS®# C12510614
    Lower Level
  • Photo 16: 21 Lowther Avenue in Toronto: Annex House for sale (Toronto C02)  : MLS®# C12510614
    4th Floor Bedroom
  • Photo 17: 21 Lowther Avenue in Toronto: Annex House for sale (Toronto C02)  : MLS®# C12510614
    Living Room
  • Photo 18: 21 Lowther Avenue in Toronto: Annex House for sale (Toronto C02)  : MLS®# C12510614
    Lower Level
  • Photo 19: 21 Lowther Avenue in Toronto: Annex House for sale (Toronto C02)  : MLS®# C12510614
    Lower level
  • Photo 20: 21 Lowther Avenue in Toronto: Annex House for sale (Toronto C02)  : MLS®# C12510614
    Lower Level
  • Photo 21: 21 Lowther Avenue in Toronto: Annex House for sale (Toronto C02)  : MLS®# C12510614
    Lower Level
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Listed by SOUTH HILL REAL ESTATE LIMITED
Data was last updated November 5, 2025 at 01:15 PM (UTC)
Area Statistics
Listings on market:
17
Avg list price:
$4,095,000
Min list price:
$999,720
Max list price:
$7,770,000
Avg days on market:
30
Min days on market:
0
Max days on market:
138
These statistics are generated based on the current listing's property type and located in Annex. Average values are derived using median calculations. This data is not produced by the MLS® system.
This website may only be used by consumers that have a bona fide interest in the purchase, sale, or lease of real estate of the type being offered via the website. The data relating to real estate on this website comes in part from the MLS® Reciprocity program of the PropTx MLS®. The data is deemed reliable but is not guaranteed to be accurate.