Data-backed planning intelligence · 3,840,000+ decisions analysed across England, Scotland, Wales and Northern Ireland

Flat Conversion approval rate in County Durham

County Durham approved 78.3% of flat conversion applications, based on 23 decisions analysed.

Last updated: September 2026

78.3%
flat conversion approval rate
23
Flat Conversion decisions
18
Approved
5
Refused
94.0%
County Durham overall

Flat Conversion applications are refused more often than the County Durham average (94.0%), suggesting the council scrutinises these projects more closely.

How flat conversion compares in County Durham

Flat Conversion (23 decided)
78.3%
County Durham all applications (9,303 decided)
94.0%

Planning a flat conversion in County Durham?

78.3% 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 flat conversion approval rate
✓ Nearest comparable flat conversion decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
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Planning professional? PlanningLens runs refusal alerts and evidence packs for County Durham and any other published UK council — see the data services →

Other project types in County Durham

Garage / Parking (2,057 decided)
95.7%
Rear Extension (1,591 decided)
97.7%
Extension (General) (1,468 decided)
95.6%
87.1%
Side Extension (916 decided)
97.1%
New Build (637 decided)
89.5%
Outbuilding (594 decided)
95.8%
Dormer (317 decided)
95.9%
Front Extension (273 decided)
97.1%
Conservatory (266 decided)
98.9%
HMO (241 decided)
73.9%
Loft Conversion (169 decided)
94.7%
Wraparound Extension (155 decided)
98.7%
Annex (128 decided)
95.3%
Basement (37 decided)
94.6%
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