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

Extension (General) approval rate in County Durham

County Durham approved 95.6% of extension (general) applications, based on 1,425 decisions analysed.

Last updated: June 2026

95.6%
extension (general) approval rate
1,425
Extension (General) decisions
1,363
Approved
62
Refused
94.9%
County Durham overall

Extension (General) applications are approved at roughly the same rate as the County Durham average (94.9%).

How extension (general) compares in County Durham

Extension (General) (1,425 decided)
95.6%
County Durham all applications (15,049 decided)
94.9%

Planning a extension (general) in County Durham?

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Other project types in County Durham

Garage / Parking (1,962 decided)
95.7%
Rear Extension (1,515 decided)
97.8%
87.1%
Side Extension (875 decided)
97.1%
New Build (613 decided)
89.6%
Outbuilding (562 decided)
95.9%
Dormer (301 decided)
95.7%
Front Extension (259 decided)
96.9%
Conservatory (258 decided)
98.8%
HMO (224 decided)
75.0%
Loft Conversion (157 decided)
94.3%
Wraparound Extension (147 decided)
98.6%
Annex (124 decided)
96.0%
Basement (31 decided)
93.5%
Flat Conversion (21 decided)
81.0%
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