Certificate of Lawfulness approval rate in Cardiff
Cardiff approved 95.3% of certificate of lawfulness applications, based on 232 decisions analysed.
Last updated: March 2026
95.3%
certificate of lawfulness approval rate
232
Certificate of Lawfulness decisions
221
Approved
11
Refused
81.9%
Cardiff overall
How certificate of lawfulness compares in Cardiff
Certificate of Lawfulness
95.3%
Cardiff all types
81.9%
What gets approved near your property?
In Cardiff, 1 in 6 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 Cardiff
✓ Your 10 nearest comparable planning decisions
✓ Appeal success rates
✓ PDF report to share with your architect
Get Cardiff Pro Report — £79
✓ Common refusal reasons in Cardiff
✓ 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 4,367 decisions.
Other application types in Cardiff
Trees
99.8%
Other
36.2%
Full
95.1%
Certificate of Lawfulness
95.3%
Advertisement
99.4%
Prior Approval
97.4%
Discharge of Conditions
92.0%
Listed Building
100.0%