Side Extension approval rate in Arun
Arun approved 97.2% of side extension applications, based on 142 decisions analysed.
Last updated: May 2026
97.2%
side extension approval rate
142
Side Extension decisions
138
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
97.2%
Arun all applications
93.6%
Planning a side extension in Arun?
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
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✓ Nearest comparable side extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Other project types in Arun
97.7%
90.4%
93.8%
100.0%
93.9%
94.3%
98.4%
96.4%
86.2%
95.5%
85.7%
93.8%