Rear Extension approval rate in Flintshire
Flintshire approved 94.6% of rear extension applications, based on 992 decisions analysed.
Last updated: September 2026
94.6%
rear extension approval rate
992
Rear Extension decisions
938
Approved
54
Refused
86.8%
Flintshire overall
Rear Extension applications are approved more often than the Flintshire average (86.8%), suggesting the council is relatively receptive to these projects.
How rear extension compares in Flintshire
Rear Extension
94.6%
Flintshire all applications
86.8%
Planning a rear extension in Flintshire?
94.6% 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 Flintshire →
✓ Nearest comparable rear extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Planning professional? PlanningLens runs refusal alerts and evidence packs for Flintshire and any other published UK council — see the data services →
Other project types in Flintshire
91.2%
87.1%
77.0%
94.8%
82.0%
95.1%
81.7%
85.1%
82.2%
95.3%
94.0%
70.7%
87.5%