
Unionville: a heritage main street surrounded by 1980s and 90s houses
Unionville has two very different parts. The historic village along Main Street is a heritage conservation district, with older houses where anything exterior goes through heritage review. Around it, most of Unionville is two-storey detached houses from the 1980s and 1990s on quiet crescents, with formal living and dining rooms and kitchens that are now thirty years old. The usual project here is a kitchen opened to the family room, an ensuite rebuilt, and a basement finished. What sets Unionville apart is the second floor. Many families bought here for the schools, and the upstairs is where daily life happens: four bedrooms, a shared bath for the children, and an ensuite. Those bathrooms tend to wear out together. Quiet study space is the other frequent request, often carved out of a loft over the foyer or a corner of the lower level, with good lighting, a door, and data wiring pulled before the drywall closes.
Price ranges: Markham · cost guide
Proof of work
Nearest completed work: Thornhill
We have not yet published a project in Unionville. The closest work on this site is in Thornhill, shown above under its own name.
Unionville: the old village, the pond and the outer crescents
Main Street Unionville
Older houses in the heritage district, some converted to shops. Interior work proceeds normally. Anything on the outside, including windows, siding, porches, and signs, needs a heritage permit from the City of Markham. Older framing here can be irregular, so we measure everything before cabinets are ordered.
Toogood Pond & Varley Village
1980s and 90s detached houses on curving streets near the pond and the Rouge valley trails. Kitchens opened, ensuites rebuilt, and staircases updated. Vaulted family rooms and skylights are common, and an old skylight well is often where we find stains from a past leak.
Kennedy & 16th
Newer detached homes and towns, mostly from the 2000s. The tract kitchens and bathrooms get upgraded, basements finished, and laundry moved up to the bedroom floor where the plan has room for it. Tight lots mean a narrow driveway for deliveries.
Rouge valley edges
Lots backing onto the Rouge River and its tributaries fall under the Toronto and Region Conservation Authority for anything built outside near the slope. For indoor work it does not apply. Walkout basements on these lots get extra attention at the door threshold and window wells.
Four-bedroom upper floors
Across Unionville the second floor follows a pattern: primary suite with a corner tub, a main bath shared by two or three bedrooms, sometimes a semi-ensuite. We plan them as one package so plumbing, tile, and fixtures are ordered and installed in a single pass.
Redoing every bathroom on a Unionville second floor
A common Unionville request is the whole upstairs at once. In a 1990 two-storey that means a primary ensuite with a corner whirlpool and a separate shower stall, a main bath with a tub and a vanity too short for two children, and sometimes a semi-ensuite between two bedrooms. We close one bathroom at a time so the family always has a shower. The whirlpool and stall come out and become one large glass shower; the main bath gets a longer vanity with two sinks and a tub that is easy to bathe in. Shutoffs are often seized, and the subfloor under old toilets can be soft. Fans get ducted outside properly. The loft or a spare room becomes a study. With a City of Markham plumbing permit, three bathrooms take eight to ten weeks.
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Contact Osoba Renos & Design
Planning a home renovation in Unionville? Book a free in-home estimate.
- Phone647-562-4275
- E-mailosobarenos@gmail.com
- Service areaMississauga & GTA

