Annex approval rate in Caerphilly
Caerphilly approved 76.9% of annex applications, based on 26 decisions analysed.
Last updated: March 2026
76.9%
annex approval rate
26
Annex decisions
20
Approved
6
Refused
83.2%
Caerphilly overall
Annex applications are refused more often than the Caerphilly average (83.2%), suggesting the council scrutinises these projects more closely.
How annex compares in Caerphilly
Annex
76.9%
Caerphilly all applications
83.2%
Planning a annex in Caerphilly?
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✓ Nearest comparable annex decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Less than one set of revised drawings.
Other project types in Caerphilly
85.6%
82.9%
77.8%
80.9%
78.6%
85.1%
90.3%
83.7%
73.7%
57.6%
87.0%
83.3%
83.3%