858 William St

About this Property

Luxury duplex in London's sought-after Old North! This newly built residence offers approximately 5,000 sq. ft. of beautifully finished living space, combining exceptional craftsmanship with flexible options for multi-generational living or rental income. Set on an impressive 350-ft deep lot, the home features a striking stone and brick exterior, 10-ft ceilings, expansive windows and four skylights. Distinctive details include a custom open-riser maple staircase, maple slat accents and a gas fireplace with a stone feature wall. Two self-contained units (A & B), each with a private entrance, offer gourmet kitchens, open-concept living and dining spaces, and quality finishes throughout. Across the upper levels are five bedrooms, including two primary suites with ensuites, six bathrooms and two laundry areas. The two finished lower levels add three bedrooms, two bathrooms, a media room and a gym, with flexible space for other uses. Enjoy a private, park-like backyard with mature trees, a spacious deck with gas and water hookups, a stone-seated fire pit and a stunning 30-ft cedar-walled balcony. An oversized 19' x 31' garage with a 16-ft ceiling, two EV charging outlets and a low-maintenance metal roof complete the property. Minutes from schools, Western University, University Hospital and everyday amenities. A rare opportunity in one of London's most desirable neighbourhoods. Some photos virtually staged.

Listing Details

MLS #

X14117516

Board

PROPTX

Market

ontario

Property Type

Duplex

Style

2-Storey

Year Built

0-5

Garage

Attached

Garage Spaces

2

Parking Spaces

8

Basement

Full, Finished

Heating

Forced Air

Cooling

Central Air

Pool

None

Lot Size

33.58 × 350 ft

Annual Taxes

$8,489/yr

Listed By

SUTTON WOLF REALTY BROKERAGE

Listed On

October 26, 2026