Data-backed planning intelligence · 3,200,000+ decisions analysed across England, Scotland, Wales and Northern Ireland

Annex approval rate in Derby

Derby approved 73.3% of annex applications, based on 30 decisions analysed.

Last updated: June 2026

73.3%
annex approval rate
30
Annex decisions
22
Approved
8
Refused
92.8%
Derby overall

Annex applications are refused more often than the Derby average (92.8%), suggesting the council scrutinises these projects more closely.

How annex compares in Derby

Annex (30 decided)
73.3%
Derby all applications (4,507 decided)
92.8%

Planning a annex in Derby?

73.3% get approved, but the odds vary by street. Your Full Planning Analysis shows exactly what gets approved and refused near your property.

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Other project types in Derby

Rear Extension (1,602 decided)
96.1%
Side Extension (909 decided)
94.7%
Garage / Parking (545 decided)
93.8%
89.4%
Front Extension (326 decided)
91.7%
Wraparound Extension (252 decided)
94.8%
Dormer (222 decided)
82.4%
New Build (199 decided)
86.9%
Outbuilding (198 decided)
89.4%
Extension (General) (180 decided)
90.6%
HMO (167 decided)
87.4%
Conservatory (54 decided)
88.9%
72.2%
Basement (16 decided)
93.8%
Loft Conversion (15 decided)
86.7%
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