DEMOLITION · RENOVATION & REBUILD
What Should Homeowners Know About Demolition Before Renovating or Rebuilding?
Demolition is part of the construction programme, not just the first day of work.
Short answer
Before demolition starts, the project team should understand exactly what is being removed, what must remain protected, how services will be managed, what permits or approvals apply, how waste and hazardous materials will be handled and how the demolition sequence connects with the new construction. Partial demolition in a renovation can be particularly sensitive because retained parts of the home must stay stable and protected.
Define what is being demolished and what must remain
For renovation work, demolition drawings or a clearly documented scope help separate elements to be removed from those that must be retained.
This is especially important around structural walls, roofs, services and finishes that connect old and new work.
Services need to be identified and managed
Electricity, gas, water, drainage and telecommunications may need to be isolated, protected, relocated or disconnected depending on the work.
Service planning should happen before demolition equipment and trades start opening the building.
Older homes may require additional investigation
Age and construction history can affect demolition planning. Hazardous materials or undocumented previous work may require specialist assessment and controlled removal.
If something unexpected is found, work may need to pause while the appropriate specialist advice is obtained.
Demolition sequencing affects the next construction stage
For knockdown rebuilds, demolition should be coordinated with design, approvals, finance and the new-build programme so the site is not cleared unnecessarily early.
For renovations, temporary support and weather protection may be required while parts of the existing structure remain occupied or exposed.
Questions homeowners ask
Do I need approval before demolishing a house in Victoria?+
Demolition can involve building, planning or other approval requirements depending on the property and work. Check the applicable requirements before demolition starts.
Can demolition start before the new home design is finished?+
It may be possible in some circumstances, but coordinating demolition with design, approvals and finance usually reduces the risk of leaving the site cleared while the new project remains unresolved.
Why is partial demolition more complex than it looks?+
Because retained parts of the existing home may need structural support, weather protection and service continuity while adjoining elements are removed.
What happens if hazardous material is found?+
Specialist assessment and compliant removal may be required before affected work can continue.
Ready to discuss your project?
Tell EBC what you are planning and we will help you work through the practical next steps.
EBC services Melbourne's Eastern Suburbs. View service areas.
Related EBC pages
- Knockdown Rebuild Process
- Home Building Process in Victoria
- How to Prepare Your Home for Renovation
- Building Permit for Renovation