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Custom Architect-Led Builds in North York, Ontario: design, permit and build on a single contract. A typical 700 sq ft unit estimates at $280,000-$375,000 (about $400/sq ft), with $8,000-$14,000 under the City of Toronto fee schedule in municipal approvals and a April-November construction season.

Owners with a difficult lot or a specific architectural intent, where a catalogue plan will not fit. Custom design handles heritage frontages, mature-tree protection, irregular setbacks and grade changes.
Service area
North York, Ontario
City of Toronto
Typical build estimate
$280,000-$375,000
about $400/sq ft in North York
Municipal approvals
$8,000-$14,000 under the City of Toronto fee schedule
quoted separately from the build
Build season
April-November
133 cm snow · -4.2°C winter avg
Frost depth
1.2 m
footing depth, OBC Part 9
Local market
869,401
residents · walkability 58/100
North York's 1950s-60s bungalow belt around Willowdale and Don Mills gives us the deepest rear yards inside Toronto's boundary - 120 ft lots where a 700 sq ft garden suite still leaves usable green space. Almost none of these lots have a laneway, which is why nearly every North York project we build is a garden suite rather than a laneway house. Falls under the City of Toronto garden suite by-law; North York's post-war lots rarely have laneways, so garden suites (not laneway suites) are the usual permitted form.
Deep post-war bungalow lots, commonly 50 ft × 120 ft, with rear yards large enough for a detached garden suite plus the required 1.5 m separation. North York sees 133 cm of snow and -4.2°C winter averages.
Custom means the plan starts from your North York parcel and your programme rather than from a catalogue, so the constraint set - setbacks, coverage, angular plane, servicing capacity - is established before any layout is drawn. Design, permit and construction are held on one contract, so a constraint discovered at the City of Toronto review is resolved by the party that will build it. Fixed-scope pricing is set after the constraints are known, not before - that ordering is what keeps a custom North York build from turning into a change-order sequence.
Everything you need to know about our services.
A typical 700 sq ft build in North York estimates at $280,000-$375,000 - about $400/sq ft, set by $8,000-$14,000 under the City of Toronto fee schedule in approvals, a 1.2 m frost-depth footing requirement and 133 cm of annual snow load. Final pricing follows the site visit.
Related service: Laneway House Design
Falls under the City of Toronto garden suite by-law; North York's post-war lots rarely have laneways, so garden suites (not laneway suites) are the usual permitted form. Approval costs in North York run $8,000-$14,000 under the City of Toronto fee schedule, quoted separately from construction so the permit stage holds no surprises.
Related service: Garden Suites
Deep post-war bungalow lots, commonly 50 ft × 120 ft, with rear yards large enough for a detached garden suite plus the required 1.5 m separation. North York scores 58/100 on walkability, so many tenants here do not need the extra parking space - that frees rear-yard area for the unit itself. We work regularly in Willowdale, Bayview Village, Don Mills.
Related service: Laneway House Design
Per square foot, modestly - the difference is design time, not construction. On constrained North York lots custom often costs less overall, because a plan drawn to the actual setbacks and coverage avoids the Committee of Adjustment application that a catalogue plan usually triggers.
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.