Basement approval rate in Caerphilly
Caerphilly approved 72.4% of basement applications, based on 29 decisions analysed.
Last updated: June 2026
72.4%
basement approval rate
29
Basement decisions
21
Approved
8
Refused
78.4%
Caerphilly overall
Basement applications are refused more often than the Caerphilly average (78.4%), suggesting the council scrutinises these projects more closely.
How basement compares in Caerphilly
Basement
72.4%
Caerphilly all applications
78.4%
Planning a basement in Caerphilly?
72.4% 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 basement approval rate
✓ Nearest comparable basement decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Free planning check for Caerphilly →
✓ Nearest comparable basement decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Other project types in Caerphilly
76.9%
80.8%
75.5%
77.6%
74.8%
72.1%
86.3%
72.4%
73.6%
51.9%
71.8%
73.7%
92.3%
61.5%
80.0%