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Dormer approval rate in Caerphilly

Caerphilly approved 74.8% of dormer applications, based on 254 decisions analysed.

Last updated: June 2026

74.8%
dormer approval rate
254
Dormer decisions
190
Approved
64
Refused
78.4%
Caerphilly overall

Dormer applications are refused more often than the Caerphilly average (78.4%), suggesting the council scrutinises these projects more closely.

How dormer compares in Caerphilly

Dormer (254 decided)
74.8%
Caerphilly all applications (4,904 decided)
78.4%

Planning a dormer in Caerphilly?

74.8% 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 dormer approval rate
✓ Nearest comparable dormer decisions
✓ Refusal triggers specific to your area
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Other project types in Caerphilly

Garage / Parking (1,008 decided)
76.9%
Rear Extension (958 decided)
80.8%
Side Extension (584 decided)
75.5%
80.8%
Extension (General) (460 decided)
77.6%
Outbuilding (204 decided)
72.1%
Conservatory (139 decided)
86.3%
Loft Conversion (98 decided)
72.4%
73.6%
Front Extension (81 decided)
51.9%
Annex (71 decided)
71.8%
New Build (57 decided)
73.7%
HMO (39 decided)
92.3%
Basement (29 decided)
72.4%
Flat Conversion (26 decided)
61.5%
80.0%
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