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Garden Suites in Uxbridge, Ontario: design, permit and build on a single contract. A typical 700 sq ft unit estimates at $272,500-$365,000 (about $389/sq ft), with $7,500-$13,500 including Durham Region and septic charges in municipal approvals and a May-October construction season.

Detached garden suites for backyards without laneway access - permitted under Toronto's garden suite by-law and built as a complete, independently serviced home.
Service area
Uxbridge, Ontario
Durham Region
Typical build estimate
$272,500-$365,000
about $389/sq ft in Uxbridge
Municipal approvals
$7,500-$13,500 including Durham Region and septic charges
quoted separately from the build
Build season
May-October
158 cm snow · -5.6°C winter avg
Frost depth
1.2 m
footing depth, OBC Part 9
Local market
21,556
residents · walkability 30/100
Uxbridge calls itself the Trail Capital of Canada, and the moraine kettle-and-kame topography that makes those trails also makes the building sites: sharply rolling ground where a level 700 sq ft ADU pad often needs a retaining wall. We budget site grading as a distinct line here, not as a rounding error. Uxbridge permits additional dwelling units; the Oak Ridges Moraine covers most of the township and the historic downtown carries heritage designations.
Moraine acreage on private servicing surrounding a compact serviced village with Victorian-era lots. North-GTA snowfall of 158 cm and -5.6°C winters give Uxbridge a May-October working season - foundations for garden suites go in before the ground closes, with interior finishing carried through the cold months.
A garden suite is a free-standing building in the rear yard, so the governing numbers on a Uxbridge lot are rear and side setbacks, the soft-landscaping percentage that has to survive, and the separation distance to the main house required for fire spread. Because it is new construction on undisturbed ground, the footings go to 1.2 m and the roof is engineered for 158 cm of annual snow load - both poured and framed inside the May-October season. Rear-yard access for the excavator is the practical gate: where moraine acreage on private servicing surrounding a compact serviced village with victorian-era lots, we plan side-yard machine access or crane placement before pricing.
Everything you need to know about our services.
A typical 700 sq ft build in Uxbridge estimates at $272,500-$365,000 - about $389/sq ft, set by $7,500-$13,500 including Durham Region and septic charges in approvals, a 1.2 m frost-depth footing requirement and 158 cm of annual snow load. Final pricing follows the site visit.
Related service: Our ADU services
Uxbridge permits additional dwelling units; the Oak Ridges Moraine covers most of the township and the historic downtown carries heritage designations. Approval costs in Uxbridge run $7,500-$13,500 including Durham Region and septic charges, quoted separately from construction so the permit stage holds no surprises.
Related service: Our ADU services
Moraine acreage on private servicing surrounding a compact serviced village with Victorian-era lots. Uxbridge is car-oriented at 30/100 walkability, so parking retention and driveway access constrain the footprint more than the zoning envelope does. We work regularly in Uxbridge village, Goodwood, Leaskdale.
Related service: Our ADU services
Size is capped by lot coverage and rear-yard setbacks rather than by a single square-footage number, which is why we run a feasibility overlay on your Uxbridge parcel first. Uxbridge permits additional dwelling units; the Oak Ridges Moraine covers most of the township and the historic downtown carries heritage designations. A 500-800 sq ft footprint clears on most serviced lots here.
Related service: Our ADU services
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