Certificate of Lawfulness approval rate in Cardiff
Cardiff approved 95.3% of certificate of lawfulness applications, based on 278 decisions analysed.
Last updated: June 2026
95.3%
certificate of lawfulness approval rate
278
Certificate of Lawfulness decisions
265
Approved
13
Refused
81.7%
Cardiff overall
How certificate of lawfulness compares in Cardiff
Certificate of Lawfulness
95.3%
Cardiff all types
81.7%
What gets approved near your property?
In Cardiff, 1 in 5 applications are refused. Your PlanningLens Full Planning Analysis gives you 17 pages of intelligence specific to your property:
✓ Ward-level approval rates for your exact area
✓ Common refusal reasons in Cardiff
✓ Your 10 nearest comparable planning decisions
✓ Appeal success rates
✓ PDF report to share with your architect
Free planning check for Cardiff →
✓ Common refusal reasons in Cardiff
✓ Your 10 nearest comparable planning decisions
✓ Appeal success rates
✓ PDF report to share with your architect
Free. Based on 4,803 decisions.
Other application types in Cardiff
Trees
99.8%
Other
38.4%
Full
94.7%
Certificate of Lawfulness
95.3%
Advertisement
98.9%
Prior Approval
97.6%
Discharge of Conditions
90.0%
Listed Building
94.1%