Accessory Residential Dwelling Units (ARDUs) and “Tiny Homes”

Tiny Home Concept
Tiny Home Concept

NOTE: The following information is subject to approval by Norfolk County Council on January 22, 2020.

Accessory Residential Dwelling Units (ARDUs) or “Tiny Homes” are permitted in Norfolk County, subject to local regulations.

  1. ARDUs are permitted within the primary dwelling or in an accessory building in Urban, Hamlet, or Agricultural Areas, specifically permitted in R1, R2, R3, R4, RH, and A Zones. Refer to Zoning Map: PDFGIS Interactive.
  2. Municipal or private services are required.
  3. ARDU cannot be severed from the primary dwelling in the Agricultural Area.
  4. Maximum ARDU size in an accessory building is 45% gross floor area of the main dwelling, excluding any deck or unenclosed porch.
  5. ARDU required setback from interior side yard and rear yard is 3.3 metres.
  6. An ARDU contained in an accessory building must be located within 30 metres of the principal dwelling unit.
  7. One parking spot is required for each ARDU.
  8. Must be built to Ontario Building Code standards:
    • Tiny Home built on-site:
        1. Must have stairs (not ladders) if there is more than one storey
        2. Must have approved ceiling heights
        3. Check minimum space requirements for rooms. For an open-concept design, combined sleeping, living and dining areas and kitchen space can be as small as 13.5 m2 (145 ft2), plus bathroom, 3.0 m2 (32 ft2), and laundry, 1.0 m2 (11 ft2). Dimensions change if areas are separated by walls.
        4. Exterior door must be at least 810 mm (2’8”) wide and be a swing-type door (not sliding). Bathrooms must have doors at least 610 mm (24”) wide. These can be folding, swinging-type or sliding doors.
        5. Windows are required and size depends on floor area.
        6. Plumbing is required, including a hot and cold water supply; a sink, bathtub or shower, toilet or drainless composting toilet in the bathroom; and a kitchen sink.
        7. Must meet energy efficiency and heating, ventilation and air conditioning (HVAC) requirements in the Ontario Building Code.
        8. Must meet Electrical Safety Code requirements.
        9. Must be securely attached to the ground with footings or foundation.
        10. Must comply with fire safety and emergency requirements related to emergency access, exiting, smoke alarms, and carbon monoxide detectors.
    • Factory-built Tiny Homes must meet one of the  two key CSA certification standards in the Building Code for factory-built buildings (CSA-Z240.2.1-09; CSA A277-08).
  9. Building permits and inspections are required. Contact Building Department.
  10. If two (2) or more rooms are made available for overnight accommodation to the travelling public, a Business License is required. Contact Council Services.
  11. Other regulations may apply.

Guide to Starting and Operating an Alternative Accommodation Business in Norfolk County

Guide to Starting and Operating an Alternative Accommodation Business in Norfolk County

Build or Buy a Tiny Home: Provincial Guidelines

Guide to building and buying a Tiny Home published by the Ontario Government

Development Charges

Province changes Development Charges Act to encourage affordable housing

Reports to Norfolk County Council