Homeowner guide
Do I Need a Permit to Replace a Door or Window in Ottawa?
How an existing opening, a structural change, and heritage status affect the questions to confirm before replacement.
Door & Window Services in Ottawa
Interior Door Installation in Ottawa
A typical interior door installation starts with the opening, frame and floor. Fit, hardware and trim shape the scope.
Renovation1.ca · Published
Starting condition
An interior door may be missing, damaged or poorly matched to its opening. A selected slab and a prehung unit call for different preparation.
The problem
A door that fits on paper can bind or miss the latch when the frame is out of plumb or the finished floor has changed. Cutting it before checking the opening can worsen the mismatch.
What to inspect
- Measure the opening at several points against the chosen product
- Check jamb plumb, level, movement and damage
- Inspect hinge fixing points
- Check latch position and desired swing
- Test floor clearance through the full swing
- Inspect casing and adjacent finishes
Recommended approach
Use a slab only when the existing frame supports the required fit and hardware. Otherwise assess a prehung unit or frame correction. Confirm product instructions and any opening change before ordering or cutting.
Typical scope
Preparation
- Protect floor and confirm swing, hardware and finish
Removal
- Remove the old slab or casing where needed
Installation
- Fit the door and secure hinges or frame to sound support
Adjustment
- Align reveal, swing and latch
Finishing
- Reinstall or replace affected trim and finish exposed edges
Cleanup
- Clear offcuts and test operation
Exclusions
- Structural opening changes and hidden damage require separate assessment
Materials
- Selected slab or prehung door
- Compatible hinges and latch
- Product-specified fasteners and shims
- Casing or patch material if disturbed
Work sequence
- Confirm measurements, swing and product
- Protect and remove affected components
- Prepare sound fixing surfaces
- Fit and adjust the door
- Finish trim and test repeated opening and closing
Possible complications
- Uneven jamb prevents a slab-only replacement
- Raised flooring reduces clearance
- Old hinge mortises or trim do not match
Quality checks
- Even visible reveals where the opening allows
- No rubbing through the swing
- Latch engages without lifting the door
- Hardware operates securely
- Trim joints meet the agreed finish
Expected result
The intended result is free movement, reliable closure and a neat fit in the assessed opening. Extra frame or finish repair is stated in the estimate.
What changes the scope
- Slab versus prehung unit
- Condition and geometry of the frame
- Floor height and trim changes
- Hardware and finish choices
Related services
Related guides
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What Measurements Are Needed to Replace an Interior Door?
Record the leaf, frame, hardware and floor relationship so the replacement can be assessed before final ordering measurements.
Estimate
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