Rear Extension approval rate in Flintshire
Flintshire approved 94.6% of rear extension applications, based on 575 decisions analysed.
Last updated: March 2026
94.6%
rear extension approval rate
575
Rear Extension decisions
544
Approved
31
Refused
86.3%
Flintshire overall
Rear Extension applications are approved more often than the Flintshire average (86.3%), suggesting the council is relatively receptive to these projects.
How rear extension compares in Flintshire
Rear Extension
94.6%
Flintshire all applications
86.3%
Planning a rear extension in Flintshire?
94.6% get approved — but the odds vary by street. Your Pro Report 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
Get Flintshire Pro Report — £79
✓ Nearest comparable rear extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Less than one set of revised drawings.
Other project types in Flintshire
88.0%
86.0%
94.9%
66.4%
72.6%
91.7%
83.0%
82.9%
90.6%
98.0%
70.7%
65.2%