First steps

  • Check zoning: setbacks, height, allowed area
  • Get an up-to-date certificate of location
  • Have plans prepared by a professional
  • Apply for a building permit with the municipality

Questions to ask

How will the addition connect to the existing structure, roof and envelope? Will current heating, electrical and plumbing suffice? These questions directly affect scope and budget.

Official sources

General information only, not legal or financial advice. Rules and programs change: always check with official sources.

All advice