Loading...
Loading...
ADU Plans in Uxbridge, Ontario: design, permit and build on a single contract. A typical 700 sq ft unit estimates at $16,500-$32,500 (about $389/sq ft), with $7,500-$13,500 including Durham Region and septic charges in municipal approvals and a May-October construction season.

Architectural drafting and permit-ready ADU plans - site plan, floor plans, elevations, sections and the structural details a municipality needs to issue a permit.
Service area
Uxbridge, Ontario
Durham Region
Typical build estimate
$16,500-$32,500
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 adu plans go in before the ground closes, with interior finishing carried through the cold months.
Plans are only useful if they are permit-ready for the authority that will actually review them, so an Uxbridge set is drawn to Durham Region submission standards rather than to a generic template. The set covers site plan, floor plans, elevations, sections, the 1.2 m foundation detail, the roof framing sized for 158 cm of snow, and the fire-separation and egress details the plans examiner checks first. Stock plans bought online almost always fail the Uxbridge review on setbacks and lot coverage, because those are parcel-specific and no catalogue drawing can know your lot.
Everything you need to know about our services.
A typical 700 sq ft build in Uxbridge estimates at $16,500-$32,500 - 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: Accessory Dwelling Units
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: Accessory Dwelling Units
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: Accessory Dwelling Units
You can, but they will not clear the Uxbridge plans examination unmodified: setbacks, lot coverage, soft-landscaping and the angular plane are parcel-specific, and a catalogue drawing cannot know your parcel. Most stock plans end up redrawn at the applicant's cost after the first review comments.
Related service: Accessory Dwelling Units
Get a free, no-obligation quote from GTA ADU Builders - zoning review, permit drawings and construction for ADUs across the GTA.