Side Extension approval rate in Arun
Arun approved 97.3% of side extension applications, based on 149 decisions analysed.
Last updated: June 2026
97.3%
side extension approval rate
149
Side Extension decisions
145
Approved
4
Refused
93.6%
Arun overall
Side Extension applications are approved more often than the Arun average (93.6%), suggesting the council is relatively receptive to these projects.
How side extension compares in Arun
Side Extension
97.3%
Arun all applications
93.6%
Planning a side extension in Arun?
97.3% 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 Arun →
✓ Nearest comparable side extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Other project types in Arun
97.9%
91.2%
94.6%
94.4%
100.0%
93.8%
97.1%
98.5%
81.8%
96.2%
85.7%
94.4%