Describe the work, measure from reliable references and check local bylaws.
Property lines and neighbour-side work
Prepare fences, retaining walls, drainage, excavation, trees and work near a boundary without assuming where the property line lies.
Checked: 2026-08-20
Confirm the appropriate boundary/easement information and coordinate work affecting drainage, support or access.
Disputed boundary, party structure, risky excavation or possible encroachment: pause layout until professionally/legally clarified.
Sources and limits
Rules vary by province, municipality, building, condominium documents and property status. This tool prepares checks; it does not make legal, heritage or regulatory determinations.
Continue with the right tools
These links connect this page to the next useful checks and decisions without repeating the full content.
Legacy conditions and resilience systems
Check these before enclosing, excavating, modernizing or automating an existing system.
Invisible constraints before work
V33 checks electrical, legal, environmental and climate constraints that can block a project before demolition starts.
Use, excavation and construction constraints
V34 connects use permits, soil, excavation, neighbouring structures and public-space logistics before hard-to-reverse work.
Blind spots to verify before proceeding
V40 covers situations that change compliance, safety, project recovery or system design.
- Unpermitted work: regularize without guessing
- Failed inspection or correction notice
- Contractor abandons a renovation
- Construction erosion and sediment control
- Mould remediation: cause, containment and verification
- Existing building: when does renovation trigger an upgrade?
- Air-to-water heat pump and hydronic system
- Hybrid / dual-fuel heat-pump system
- Solar: inverter, interconnection and grid authorization
- Accessible-ready kitchen and bathroom
- Temporary access to neighbouring land for work