Extension (General) approval rate in Derby
Derby approved 90.9% of extension (general) applications, based on 197 decisions analysed.
Last updated: September 2026
90.9%
extension (general) approval rate
197
Extension (General) decisions
179
Approved
18
Refused
92.8%
Derby overall
Extension (General) applications are approved at roughly the same rate as the Derby average (92.8%).
How extension (general) compares in Derby
Extension (General)
90.9%
Derby all applications
92.8%
Planning a extension (general) in Derby?
90.9% 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 extension (general) approval rate
✓ Nearest comparable extension (general) decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Free planning check for Derby →
✓ Nearest comparable extension (general) decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Planning professional? PlanningLens runs refusal alerts and evidence packs for Derby and any other published UK council — see the data services →
Other project types in Derby
95.9%
94.4%
93.6%
91.9%
94.2%
82.6%
89.3%
86.9%
86.2%
89.3%
73.5%
70.0%
94.4%
88.2%