Rear Extension approval rate in Derby
Derby approved 96.8% of rear extension applications, based on 1,460 decisions analysed.
Last updated: March 2026
96.8%
rear extension approval rate
1,460
Rear Extension decisions
1,413
Approved
47
Refused
93.4%
Derby overall
Rear Extension applications are approved more often than the Derby average (93.4%), suggesting the council is relatively receptive to these projects.
How rear extension compares in Derby
Rear Extension
96.8%
Derby all applications
93.4%
Planning a rear extension in Derby?
96.8% 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
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✓ 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 Derby
95.6%
94.1%
93.2%
95.8%
83.3%
87.2%
88.7%
90.6%
89.8%
91.7%
69.6%
93.8%
78.6%
91.7%