Ottawa, Ontario
Full renovation and additions cost in Ottawa (2026)
A full renovation and additions in Ottawa, Ontario typically costs $26,300–$84,000 per project, with the price driven mostly by number of rooms, and a project usually takes 6–12 weeks to complete. Actual costs vary by scope and finish level, so get quotes from local Pros for an exact figure.
Typical cost in Ottawa
$26,300–$84,000
How we estimate: national mid-market ranges adjusted by Ottawa's local cost index. Actual prices vary by scope, so always get quotes from local Pros for an exact number.
National mid-market ranges adjusted by a local cost index. Actual quotes vary by scope, materials and season.
What affects full renovation and additions cost in Ottawa
- Number of rooms
- Structural changes
- Finish level
- Permits and design
Typical timeline
A full renovation and additions project in Ottawa usually takes 6–12 weeks.
Permits in Ontario
In Ontario, most structural, electrical, plumbing, and HVAC work needs a building permit from your municipality, and electrical work must be done by an ESA-licensed contractor. Cosmetic work like painting usually doesn't. Confirm with your local building department before starting.
Frequently asked
How much does full renovation and additions cost in Ottawa?
In Ottawa, full renovation and additions typically costs $26,300–$84,000 per project, depending on number of rooms, materials, and the size of the job. Get quotes from local Pros for an exact figure.
Do I need a permit for full renovation and additions in Ontario?
In Ontario, most structural, electrical, plumbing, and HVAC work needs a building permit from your municipality, and electrical work must be done by an ESA-licensed contractor. Cosmetic work like painting usually doesn't. Confirm with your local building department before starting.
How long does full renovation and additions take in Ottawa?
A typical full renovation and additions project in Ottawa takes 6–12 weeks, though scope, permits, and scheduling can change that.
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