Loading...
Loading...
Garage Conversions in Aurora, Ontario: design, permit and build on a single contract. A typical 700 sq ft unit estimates at $116,500-$172,000 (about $396/sq ft), with $8,500-$14,000 including York Region charges in municipal approvals and a May-October construction season.

Converting an existing detached or attached garage into heated, insulated living space or a fully self-contained coach house unit.
Service area
Aurora, Ontario
York Region
Typical build estimate
$116,500-$172,000
about $396/sq ft in Aurora
Municipal approvals
$8,500-$14,000 including York Region charges
quoted separately from the build
Build season
May-October
148 cm snow · -5.1°C winter avg
Frost depth
1.2 m
footing depth, OBC Part 9
Local market
62,057
residents · walkability 44/100
Old Aurora lots routinely run 200 ft deep - the longest average rear-yard depth of any town in York Region. That depth is why Aurora is one of the few GTA municipalities where a two-storey garden suite with its own private yard still clears the angular plane without a minor variance. Aurora permits additional dwelling units with the Aurora Village and Northeast Old Aurora heritage districts adding design review in the core.
Large mature lots in Old Aurora with 200 ft depths, and Oak Ridges Moraine constraints on the western edge.
A garage was never built to be lived in: the slab sits above frost, the walls are usually uninsulated single-wythe, and the header over the vehicle door carries nothing. Every Aurora conversion therefore starts with a structural and thermal assessment of what is already standing. The slab is the decisive item - an existing garage slab rarely bears on a 1.2 m footing, so we either underpin the perimeter or pour a new insulated slab inside the existing walls before any framing begins.
Converting the garage removes a parking space, which is why the 44/100 walkability of Aurora matters more on this form than on any other - it decides whether parking relief is arguable or the driveway has to absorb the loss.
Everything you need to know about our services.
A typical 700 sq ft build in Aurora estimates at $116,500-$172,000 - about $396/sq ft, set by $8,500-$14,000 including York Region charges in approvals, a 1.2 m frost-depth footing requirement and 148 cm of annual snow load. Final pricing follows the site visit.
Related service: Our ADU services
Aurora permits additional dwelling units with the Aurora Village and Northeast Old Aurora heritage districts adding design review in the core. Approval costs in Aurora run $8,500-$14,000 including York Region charges, quoted separately from construction so the permit stage holds no surprises.
Related service: Our ADU services
Large mature lots in Old Aurora with 200 ft depths, and Oak Ridges Moraine constraints on the western edge. At 44/100 walkability, Aurora suites usually keep one parking space: enough to clear the zoning review without surrendering the whole yard. We work regularly in Old Aurora, Aurora Highlands, Bayview Wellington.
Related service: ADU Building Permit
Rarely as-is. Most Aurora garage slabs are shallow, uninsulated and poured above the 1.2 m frost line, so they fail both the structural and the thermal requirement for habitable space. We either underpin the perimeter or pour a new insulated slab inside the standing walls - that decision is made at the first site visit and it is the single largest cost variable on this form.
Related service: Our ADU services
Get a free, no-obligation quote from GTA ADU Builders - zoning review, permit drawings and construction for ADUs across the GTA.