Flat Conversion approval rate in Cardiff
Cardiff approved 88.5% of flat conversion applications, based on 26 decisions analysed.
Last updated: June 2026
88.5%
flat conversion approval rate
26
Flat Conversion decisions
23
Approved
3
Refused
81.7%
Cardiff overall
Flat Conversion applications are approved more often than the Cardiff average (81.7%), suggesting the council is relatively receptive to these projects.
How flat conversion compares in Cardiff
Flat Conversion
88.5%
Cardiff all applications
81.7%
Planning a flat conversion in Cardiff?
88.5% 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 flat conversion approval rate
✓ Nearest comparable flat conversion decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Free planning check for Cardiff →
✓ Nearest comparable flat conversion decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Other project types in Cardiff
67.9%
66.9%
66.6%
85.6%
70.2%
49.4%
65.6%
77.8%
84.1%
82.8%
78.6%
83.3%
71.4%
77.8%