Legal Basement / SDU
Best for: Adding a rental or in-law unit inside an existing home
- Egress window & separate entrance
- 45-minute fire separation, STC sound rating
- Ceiling height & occupancy review
- Basement permit drawing set
Services
From Concept to City Approval
BCIN residential design and permit drawings for Ontario homeowners, from custom homes and legal basements to garden suites and decks.
Legal Basement Permits
Secondary dwelling unit (SDU) layouts, egress and fire separation planning, and permit documentation.
Start Your Basement Project →ADU & Secondary Units
Garden suites, laneway suites and coach houses — zoning feasibility through OBC Part 9 permit drawings.
Explore ADU Design →Custom Home Design & Permits
New builds, teardown rebuilds, additions and garden suites with OBC Part 9 permit drawing sets.
Start My Custom Home →Deck Permits
Site plans, framing and footing details, and permit drawings for new or replacement residential decks.
Explore Deck Permits →Home Staging & Interior Design
Vacant and occupied staging, listing preparation and full interiors for homeowners, sellers and Realtors.
Explore Staging & Interiors →Permit paths
Not sure which permit path you need?
The right drawings depend on your project and municipality. A basement suite, detached garden suite and custom home each have distinct zoning, code and submission requirements.
Detached ADU / Garden Suite
Best for: Adding a self-contained unit in the rear yard
- Rear-yard setbacks, height & lot coverage
- Fire access route & spatial separation
- Servicing, grading and parking review
- OBC Part 9 permit set for the suite
Custom Home & Additions
Best for: Building new, rebuilding a teardown, or expanding the envelope
- Zoning by-law: lot coverage, GFA, setbacks
- Committee of Adjustment / minor variance
- Site plan & grading coordination
- OBC Part 9 permit set with SB-12 compliance
Areas we serve
Permit drawings in your municipality.
Each municipality reviews drawings against its own zoning by-law. See what to know before applying in your area:
Not Sure Which Service You Need?
Describe the project and we'll point you to the right starting point.