Montreal, Quebec
Full renovation and additions cost in Montreal (2026)
A full renovation and additions in Montreal, Quebec typically costs $23,800–$76,000 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 Montreal
$23,800–$76,000
How we estimate: national mid-market ranges adjusted by Montreal'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 Montreal
- Number of rooms
- Structural changes
- Finish level
- Permits and design
Typical timeline
A full renovation and additions project in Montreal usually takes 6–12 weeks.
Permits in Quebec
In Quebec, renovation permits are issued by your municipality and most construction work must be performed by a contractor holding a valid RBQ licence, with extra licensing for electrical and plumbing. Check with your municipality and the RBQ.
Frequently asked
How much does full renovation and additions cost in Montreal?
In Montreal, full renovation and additions typically costs $23,800–$76,000 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 Quebec?
In Quebec, renovation permits are issued by your municipality and most construction work must be performed by a contractor holding a valid RBQ licence, with extra licensing for electrical and plumbing. Check with your municipality and the RBQ.
How long does full renovation and additions take in Montreal?
A typical full renovation and additions project in Montreal takes 6–12 weeks, though scope, permits, and scheduling can change that.
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