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Residential exterior alterations

Your drawings must clearly show what is existing and the changes you’re proposing. Drawings must be to scale, and should use metric measurements. We may request additional information when your application is reviewed.

For exterior alterations you’ll need to submit:

The site plan must include the following:

  • Scale (metric only)
  • Direction (North arrow)
  • Municipal address
  • Legal description (lot and plan numbers)
  • Existing buildings and accessory structures labelled “existing”
  • Proposed construction (hatch and label “PROPOSED” in capital letters)
  • Dimensioned property lines
  • Overall building dimensions
  • Rights-of-way and easements
  • Landscaped areas and hard surfaces such as driveways and walkways

Set backs

  • Setbacks from all property lines to proposed exterior alteration

The floor plan must include the following:

  • Direction (North arrow)
  • Title and scale
  • Use and size of rooms and spaces
  • Interior and exterior dimensions, including door and window sizes
  • Structural framing indicating the size, type, grade, spacing, direction of span and location of all structural members (joists, beams, columns, posts and lintels)
  • Floor drains and ventilation provisions
  • Section marks

Elevations are required for each side of the project. They must include the following information:

  • Title and scale
  • Grade level
  • Existing and proposed work
  • Finished floor levels
  • Vertical dimensions
  • Exterior wall cladding, finishes and flashing
  • Sizes and location of windows and doors
  • Roof overhang and dimensions
  • Roof shape, slope and finish
  • Height of chimneys
  • Rain water leaders and eavestroughs
  • The percentage of glazed areas relative to exposed building face calculations

Sample drawings

Contact us

If you need more information, call 311 (905-615-4311) or contact us online.