LL18 planning approval rate
The LL18 postcode area falls under Flintshire council, which has a 86.3% planning approval rate based on 5,930 decisions.
Last updated: April 2026
86.3%
Flintshire approval rate
What this means for LL18
If you're planning a project in the LL18 area, your application will be decided by Flintshire council. Based on historical data, around 13.7% of applications are refused. The approval rate varies by ward and application type — use our free tool to check your specific property.
What gets approved near your property?
In Flintshire, 1 in 7 applications are refused. Your PlanningLens Pro Report gives you 17 pages of intelligence specific to your property:
✓ Ward-level approval rates for your exact area
✓ Common refusal reasons in Flintshire
✓ Your 10 nearest comparable planning decisions
✓ Appeal success rates
✓ PDF report to share with your architect
Get Flintshire Pro Report — £79
✓ Common refusal reasons in Flintshire
✓ Your 10 nearest comparable planning decisions
✓ Appeal success rates
✓ PDF report to share with your architect
Less than one set of revised drawings. Based on 5,930 decisions.
Flintshire approval by application type
Full
85.3%
Other
89.6%
Certificate of Lawfulness
85.4%
Discharge of Conditions
91.0%
Listed Building
66.7%
Advertisement
93.3%
Prior Approval
83.1%
Trees
100.0%