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425-427 William Street offers a rare opportunity to acquire a distinctive, fully functional multi-level commercial property in the heart of London with exceptional flexibility for future use. The building features unique architectural character highlighted by a rare central carriageway "tunnel" connecting both sides of the property and providing access to a centrally located accessible entrance with elevator. Spanning three levels, the property is configured with over 17 offices, 4 clinic rooms with sinks, multiple common areas, and 4 bathrooms, supporting a wide range of professional, medical, or institutional uses. The main floor includes a reception area, treatment rooms, accessible elevator vestibule, three entrances, and an accessible washroom. The second floor offers 8 offices, a full kitchen, separate men's and women's washrooms, and common space, while the third floor features 5 additional offices, a common area, and a 3-piece bathroom. A fully operational elevator (inspected 2026) and dual staircases provide efficient access throughout. Additional highlights include a flex space for an office, studio, or storage located in the rear yard, 4-6 parking spaces at the front with potential for more at the rear, and updated mechanicals including furnaces (~6 years) and recent fire system inspections (2026). Zoned BDC/OR (Business District Commercial / Office Residential), the property allows for a wide range of uses including offices, clinics, retail, restaurants, residential units, and mixed-use development, with strong potential for residential or live/work conversion into multiple units. Not heritage designated and located just outside the East Woodfield Heritage Conservation District, this is a rare opportunity to secure a high-functioning, well maintained century building with strong conversion and redevelopment potential in a central London location. (id:58753)
William Street at Dundas
Source: Public Records
| Street Address | Beds | Baths | Sold Date | List Price |
|---|---|---|---|---|
| 429 SAUL STREET | 3 | 2 | Jun 06, 2026 | $449,900 |
| 40 GRAYDON STREET | 2 | 2 | May 10, 2026 | $459,900 |
Discover key demographics, population statistics, and environmental insights for the London East (east F), ON area.
74/100
Very Walkable
Walk Score ®
59/100
Good Transit
Transit Score ®
75/100
Very Bikeable
Bike Score ®
Most errands can be accomplished on foot. Many nearby public transportation options. Biking is convenient for most trips.
20 nearby routes: 19 bus, 1 rail, 0 other
The average walkability score in the surrounding area is Walk Score: 51/100, Transit Score: 49/100, Bike Score: 59/100.
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0 bds • 0 ba • 6,254 sqft
1042 DUNDAS STREET, London East (East G), ON N5W3A5
0 bds • 0 ba • 5,400 sqft
1062 - 1066 DUNDAS STREET E, London East (East G), ON N5W3A6
0 bds • 0 ba • 5,800 sqft
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0 bds • 0 ba • 5,517 sqft
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0 bds • 0 ba • 5,333 sqft
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0 bds • 0 ba • 5,709 sqft
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0 bds • 4 ba • 5,600 sqft
419 DUNDAS STREET, Woodstock (Woodstock - North), ON N4S1B8
0 bds • 0 ba • 5,113 sqft
239-237 MAIN ST. OF DELHI STREET, Norfolk (Delhi), ON N4B2M4
0 bds • 5 ba • 5,556 sqft
2 - 3590 LOBSINGER LINE, Woolwich, ON N0B2M0
bds • 0 ba • 2957 sqft
544 DUNDAS STREET E
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544 DUNDAS STREET E
bds • 0 ba • 2957 sqft
544 DUNDAS STREET E
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523 DUFFERIN AVENUE
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603 QUEENS AVENUE
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667 DUNDAS STREET
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444 YORK STREET
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330 BURWELL STREET
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31 CARTWRIGHT STREET
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31 CARTWRIGHT STREET
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693 QUEENS AVENUE
5 bds • 4 ba • sqft
551 ADELAIDE STREET N
4 bds • 2 ba • sqft
552 ADELAIDE STREET N
5 bds • 4 ba • sqft
714 DUNDAS STREET
bds • 0 ba • 5224 sqft
245 MAITLAND STREET
bds • 0 ba • 4000 sqft
334 QUEENS AVENUE
20 bds • 3 ba • sqft
334 QUEENS AVENUE
Source: Realty.com
425 427 WILLIAM STREET, London East (East F), ON N6B3E1 in London East (East F), ON N6B3E1 is a office listed at $849,900. Highlights include 5,856 sq. ft., $145 per sq. ft.. Realty.ca has 50 photos, sales history, school insights, and mortgage tools for this listing.
Realty.com has 50 photos of 425 427 WILLIAM STREET.
The full address for this home is 425 427 WILLIAM STREET, London East (East F), ON N6B3E1.
425 427 WILLIAM STREET has been listed on Realty.com since Fri March 20, 2026
Most errands can be accomplished on foot. Many nearby public transportation options. Biking is convenient for most trips.
The average walkability score in the surrounding area is Walk Score: 51/100, Transit Score: 49/100, Bike Score: 59/100.
Listing provided courtesy of:
REAL BROKER ONTARIO LTD
Listing agent:
RYAN HILKER
This content last refreshed on 2026-06-08 07:38:20. Some properties which appear for sale on this web site may subsequently have sold or may no longer be available.