Side Extension approval rate in South Downs
South Downs approved 92.3% of side extension applications, based on 547 decisions analysed.
Last updated: August 2026
92.3%
side extension approval rate
547
Side Extension decisions
505
Approved
42
Refused
93.2%
South Downs overall
Side Extension applications are approved at roughly the same rate as the South Downs average (93.2%).
How side extension compares in South Downs
Side Extension
92.3%
South Downs all applications
93.2%
Planning a side extension in South Downs?
92.3% 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
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✓ Nearest comparable side extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Other project types in South Downs
90.6%
93.4%
94.9%
93.6%
88.1%
94.9%
84.7%
89.1%
83.6%
92.7%
86.3%
94.1%
75.8%