Side Extension approval rate in Mid Sussex
Mid Sussex approved 95.0% of side extension applications, based on 764 decisions analysed.
Last updated: August 2026
95.0%
side extension approval rate
764
Side Extension decisions
726
Approved
38
Refused
93.9%
Mid Sussex overall
Side Extension applications are approved at roughly the same rate as the Mid Sussex average (93.9%).
How side extension compares in Mid Sussex
Side Extension
95.0%
Mid Sussex all applications
93.9%
Planning a side extension in Mid Sussex?
95.0% 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 Mid Sussex →
✓ Nearest comparable side extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Other project types in Mid Sussex
92.1%
95.4%
92.0%
91.6%
92.7%
93.0%
97.2%
95.8%
76.3%
93.1%
92.1%
86.5%
93.1%
85.7%