Rear Extension approval rate in County Durham
County Durham approved 97.7% of rear extension applications, based on 1,571 decisions analysed.
Last updated: August 2026
97.7%
rear extension approval rate
1,571
Rear Extension decisions
1,535
Approved
36
Refused
94.9%
County Durham overall
Rear Extension applications are approved more often than the County Durham average (94.9%), suggesting the council is relatively receptive to these projects.
How rear extension compares in County Durham
Rear Extension
97.7%
County Durham all applications
94.9%
Planning a rear extension in County Durham?
97.7% 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 rear extension approval rate
✓ Nearest comparable rear extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Free planning check for County Durham →
✓ Nearest comparable rear extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Other project types in County Durham
95.6%
95.5%
97.1%
89.4%
95.7%
95.8%
97.0%
98.9%
74.3%
94.6%
98.7%
95.3%
94.6%
78.3%