Extension (General) approval rate in Merthyr Tydfil
Merthyr Tydfil approved 88.6% of extension (general) applications, based on 88 decisions analysed.
Last updated: June 2026
88.6%
extension (general) approval rate
88
Extension (General) decisions
78
Approved
10
Refused
90.6%
Merthyr Tydfil overall
Extension (General) applications are approved at roughly the same rate as the Merthyr Tydfil average (90.6%).
How extension (general) compares in Merthyr Tydfil
Extension (General)
88.6%
Merthyr Tydfil all applications
90.6%
Planning a extension (general) in Merthyr Tydfil?
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✓ Nearest comparable extension (general) decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Other project types in Merthyr Tydfil
92.4%
98.6%
87.9%
89.6%
85.7%
79.4%
21.1%
94.4%
81.2%
90.9%