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Change of Use (Residential) approval rate in Cardiff

Cardiff approved 66.9% of change of use (residential) applications, based on 118 decisions analysed.

Last updated: August 2026

66.9%
change of use (residential) approval rate
118
Change of Use (Residential) decisions
79
Approved
39
Refused
82.4%
Cardiff overall

Change of Use (Residential) applications are refused more often than the Cardiff average (82.4%), suggesting the council scrutinises these projects more closely.

How change of use (residential) compares in Cardiff

Change of Use (Residential) (118 decided)
66.9%
Cardiff all applications (5,184 decided)
82.4%

Planning a change of use (residential) in Cardiff?

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✓ Your ward's change of use (residential) approval rate
✓ Nearest comparable change of use (residential) decisions
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Other project types in Cardiff

Rear Extension (467 decided)
72.8%
Garage / Parking (332 decided)
68.7%
Extension (General) (315 decided)
67.9%
Dormer (275 decided)
84.0%
Loft Conversion (252 decided)
72.2%
Side Extension (208 decided)
72.1%
Conservatory (187 decided)
52.4%
Outbuilding (96 decided)
77.1%
84.0%
HMO (50 decided)
80.0%
Front Extension (36 decided)
86.1%
Annex (32 decided)
78.1%
Flat Conversion (28 decided)
89.3%
84.6%
New Build (24 decided)
75.0%
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