Data-backed planning intelligence · 3,700,000+ decisions analysed across England, Scotland, Wales and Northern Ireland

New Build approval rate in Cardiff

Cardiff approved 75.0% of new build applications, based on 24 decisions analysed.

Last updated: August 2026

75.0%
new build approval rate
24
New Build decisions
18
Approved
6
Refused
82.4%
Cardiff overall

New Build applications are refused more often than the Cardiff average (82.4%), suggesting the council scrutinises these projects more closely.

How new build compares in Cardiff

New Build (24 decided)
75.0%
Cardiff all applications (5,184 decided)
82.4%

Planning a new build in Cardiff?

75.0% 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 new build approval rate
✓ Nearest comparable new build decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Free planning check for Cardiff →

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%
66.9%
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%
Check planning approval patterns, Free