Side Extension approval rate in Derry City and Strabane District Council

Derry City and Strabane District Council approved 99.8% of side extension applications, based on 600 decisions analysed.

Last updated: June 2026

99.8%

side extension approval rate

600

Side Extension decisions

599

Approved

Refused

97.3%

Derry City and Strabane District Council overall

Side Extension applications are approved more often than the Derry City and Strabane District Council average (97.3%), suggesting the council is relatively receptive to these projects.

How side extension compares in Derry City and Strabane District Council

Side Extension (600 decided)

99.8%

Derry City and Strabane District Council all applications (7,298 decided)

97.3%

Planning a side extension in Derry City and Strabane District Council?

99.8% 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 Derry City and Strabane District Council →