Side Extension approval rate in Canterbury

Canterbury approved 97.2% of side extension applications, based on 1,193 decisions analysed.

Last updated: June 2026

97.2%

side extension approval rate

1,193

Side Extension decisions

1,160

Approved

Refused

95.0%

Canterbury overall

Side Extension applications are approved more often than the Canterbury average (95.0%), suggesting the council is relatively receptive to these projects.

How side extension compares in Canterbury

Side Extension (1,193 decided)

97.2%

Canterbury all applications (10,849 decided)

95.0%

Planning a side extension in Canterbury?

97.2% get approved, but the odds vary by street. Your Full Planning Analysis shows exactly what gets approved and refused near your property.

✓ Your ward's side extension approval rate
✓ Nearest comparable side extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect

Free planning check for Canterbury →