Side Extension approval rate in Merthyr Tydfil
Merthyr Tydfil approved 88.1% of side extension applications, based on 59 decisions analysed.
Last updated: August 2026
88.1%
side extension approval rate
59
Side Extension decisions
52
Approved
7
Refused
90.9%
Merthyr Tydfil overall
Side Extension applications are refused more often than the Merthyr Tydfil average (90.9%), suggesting the council scrutinises these projects more closely.
How side extension compares in Merthyr Tydfil
Side Extension
88.1%
Merthyr Tydfil all applications
90.9%
Planning a side extension in Merthyr Tydfil?
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✓ Nearest comparable side extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Other project types in Merthyr Tydfil
92.1%
98.7%
89.0%
90.0%
86.0%
81.1%
21.1%
94.4%
81.2%
90.9%