Upper Thornhill Estates
Patterson's newest large-house community, west of Bathurst and north of Major Mackenzie

At a glanceUpper Thornhill Estates is a planned community in Vaughan's Patterson area, on the west side of Bathurst Street north of Major Mackenzie Drive and reaching toward Teston Road. Its houses are large detached homes built by several production builders over roughly the past two decades, on lots wider than the Vaughan norm but smaller than true estate lots. It is one of five sub-communities that make up Patterson, alongside Thornhill Woods, Thornberry Woods, Dufferin Hills and the Valleys of Thornhill.
The place
Drive north on Bathurst Street past Major Mackenzie Drive and the land opens up. On the Richmond Hill side the streets of Mill Pond and Westbrook face the road; on the Vaughan side, the entrance to Upper Thornhill Estates marks the turn onto Via Romano Boulevard, and the houses begin, large and new and set on lots wide enough that each one reads as a single object rather than part of a row. This is the northern edge of Patterson, the planning area that Vaughan built out between Dufferin and Bathurst over the past twenty-five years, and it was laid out as the premium piece of it.
Patterson has five named sub-communities, and Upper Thornhill Estates is the one marketed from the start as the large-lot, large-house option. Its name confuses newcomers, because the historic Thornhill village sits on Yonge Street far to the south; the name was a builder’s reach toward an established address. In practice the community is Vaughan, its neighbours are Maple to the west and Richmond Hill across Bathurst, and the open land to the north toward Teston Road is what gives the streets their light.
The houses
Everything here is recent. The community was built in phases by several production builders through the 2000s and 2010s, with later infill, so the stock is consistent in age and in type: two-storey detached houses in brick and stone, with the transitional and French-influenced elevations of the period, stone surrounds at the entry, tall windows, and double or triple garages. Plans run to four or five bedrooms, each usually with its own bath, high ceilings on the main floor, and kitchens open to family rooms. Lower levels were often left unfinished by the builder and have been completed since.
Because the houses are new, there is no rebuild cycle. What varies is the degree of finishing. A builder-standard house from the first phase, an upgraded original with a finished basement and landscaped yard, and a house whose owners have replaced kitchens, baths and millwork to a custom standard can sit on the same street at noticeably different prices. Buyers here are comparing finish, lot and position rather than era.
Streets and lots
Lady Jessica Drive and Upper Post Road carry the widest lots and the largest houses, and the courts and crescents off them hold the most private positions. Lots are wider and deeper than the standard Vaughan subdivision lot, which is the point of the community, but they are subdivision lots, planned to a grid with uniform setbacks. Rear yards are generous enough for a pool. Corner and pie-shaped lots, common in a plan like this, are priced on usable rear yard rather than on total area, and buyers should walk the lot lines rather than trust the survey sketch.
The trees are young. That is the honest trade for new construction, and it will change over the next two decades as the street plantings mature. Lots backing onto the open space and stormwater ponds at the community’s edges carry a premium for the view and the privacy.
Living here
Daily life is organised around the car and the family. Herbert H. Carnegie Public School on Via Romano Boulevard sits within the community, and the Lebovic Jewish Community Campus at 9600 Bathurst Street, with its schools, community centre and cultural facilities, is a short drive south. School boundaries change, so buyers should confirm designated schools with the board. Shopping is on Bathurst Street and along Major Mackenzie and Rutherford Road, with Vaughan Mills and Hillcrest Mall in Richmond Hill each about fifteen minutes away.
Eagles Nest Golf Club, a public course designed by Doug Carrick at 10000 Dufferin Street, is minutes west. Richmond Hill’s Mill Pond Park and its heritage core are across Bathurst and a few minutes east. For commuters, Highway 400 is reached along Major Mackenzie or Teston Road, Highway 407 is south, and the Barrie GO line’s Maple and Rutherford stations serve downtown.
Buying and selling in Upper Thornhill Estates
This is one of the more legible luxury markets in Vaughan. The houses are of similar age and type, sales are frequent enough that comparables exist, and pricing follows a clear hierarchy: lot width and depth, then position, then the level of finish. Sellers do well to present the house in full, with professional photography and clear documentation of upgrades, because buyers here compare closely and reward the house that is easiest to understand.
Buyers trading up from the rest of Patterson or from Thornhill Woods know the community well and move quickly when the right lot appears. Buyers coming from Toronto are often choosing between this and the older estate neighbourhoods, and the decision usually turns on whether they want a new house with modern systems or land and mature trees. We help with both calculations. Tell us what you are looking for and we will send the houses that match, including the ones that sell before they reach the portals.
Upper Thornhill Estates is Vaughan’s clearest expression of the large new house on a wide suburban lot, built in one generation to one standard. It lacks the ravines and the age of the Woodbridge estate streets, and it offers instead predictability, new construction and a family-oriented plan at the northern edge of the city. As the trees come in, it will look more like what its name promised.
Lady Jessica Drive and Upper Post Road
The community's principal streets carry its widest lots and largest houses, with Via Romano Boulevard forming the main approach from Bathurst Street.
Eagles Nest Golf Club
The public course at 10000 Dufferin Street, designed by Doug Carrick, is a few minutes west.
The Lebovic Jewish Community Campus
The community campus at 9600 Bathurst Street, north of Rutherford Road, holds schools, a community centre and cultural facilities a short drive south.
Two highways, two GO lines
Highway 400 and Highway 407 are close, and the Maple and Rutherford stations on the Barrie GO line serve commuters heading downtown.
FAQ
Questions about Upper Thornhill Estates
Is Upper Thornhill Estates part of Thornhill?
Only in name. It lies in the City of Vaughan within the planning area called Patterson, north of Rutherford Road and well north of the historic Thornhill village on Yonge Street. Listings and school boundaries use Vaughan or Patterson; the Thornhill in the name reflects how builders marketed the area, not a municipal boundary.
How does it compare with the older estate neighbourhoods?
The houses are newer and the lots are wider than in most Vaughan subdivisions, but they are not estate lots and there are few mature trees yet. Buyers who want a large, recent house with modern systems and a predictable resale market choose here; buyers who want acreage, ravines or a heritage setting look to Kleinburg, Islington Woods or South Richvale.
What do buyers pay a premium for within the community?
Lot width and depth first, then a premium location such as a court or a lot backing onto open space, then the level of builder upgrades and later owner finishing. Houses on the widest lots on the main streets command the highest prices, and corner and pie-shaped lots are priced on usable rear yard rather than total area.
Neighbourhoods to compare

Thornhill Woods
A planned community of the 2000s between Bathurst and Dufferin on the Vaughan side
Discover more
Weston Downs
East Woodbridge's established executive streets west of Weston Road
Discover more
South Richvale
Wide lots and custom houses between Yonge and Bathurst, south of Carrville Road
Discover moreWritten by Marco Lamees & Associates. Last reviewed .
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