Data-backed planning intelligence · 2,500,000+ decisions analysed across England, Scotland and Wales

Extension (General) approval rate in County Durham

County Durham approved 95.7% of extension (general) applications, based on 1,383 decisions analysed.

Last updated: March 2026

95.7%
extension (general) approval rate
1,383
Extension (General) decisions
1,323
Approved
60
Refused
95.0%
County Durham overall

Extension (General) applications are approved at roughly the same rate as the County Durham average (95.0%).

How extension (general) compares in County Durham

Extension (General) (1,383 decided)
95.7%
County Durham all applications (14,377 decided)
95.0%

Planning a extension (general) in County Durham?

95.7% get approved — but the odds vary by street. Your Pro Report 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
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Less than one set of revised drawings.

Other project types in County Durham

Garage / Parking (1,891 decided)
95.7%
Rear Extension (1,451 decided)
97.8%
87.1%
Side Extension (830 decided)
97.0%
New Build (590 decided)
89.8%
Outbuilding (530 decided)
96.2%
Dormer (293 decided)
95.6%
Front Extension (249 decided)
96.8%
Conservatory (238 decided)
99.6%
HMO (218 decided)
74.8%
Loft Conversion (151 decided)
94.0%
Wraparound Extension (140 decided)
98.6%
Annex (123 decided)
95.9%
Basement (30 decided)
93.3%
Flat Conversion (20 decided)
80.0%
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