Rear Extension approval rate in Mid Sussex
Mid Sussex approved 95.9% of rear extension applications, based on 1,182 decisions analysed.
Last updated: March 2026
95.9%
rear extension approval rate
1,182
Rear Extension decisions
1,134
Approved
48
Refused
94.0%
Mid Sussex overall
Rear Extension applications are approved at roughly the same rate as the Mid Sussex average (94.0%).
How rear extension compares in Mid Sussex
Rear Extension
95.9%
Mid Sussex all applications
94.0%
Planning a rear extension in Mid Sussex?
95.9% get approved — but the odds vary by street. Your Pro Report shows exactly what gets approved and refused near your property.
✓ Your ward's rear extension approval rate
✓ Nearest comparable rear extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Get Mid Sussex Pro Report — £79
✓ Nearest comparable rear extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Less than one set of revised drawings.
Other project types in Mid Sussex
92.2%
95.3%
92.3%
92.2%
94.5%
93.3%
96.9%
96.4%
75.8%
95.3%
92.5%
85.5%
92.9%
81.8%