Rear Extension approval rate in Merthyr Tydfil
Merthyr Tydfil approved 98.6% of rear extension applications, based on 141 decisions analysed.
Last updated: June 2026
98.6%
rear extension approval rate
141
Rear Extension decisions
139
Approved
2
Refused
90.6%
Merthyr Tydfil overall
Rear Extension applications are approved more often than the Merthyr Tydfil average (90.6%), suggesting the council is relatively receptive to these projects.
How rear extension compares in Merthyr Tydfil
Rear Extension
98.6%
Merthyr Tydfil all applications
90.6%
Planning a rear extension in Merthyr Tydfil?
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✓ Nearest comparable rear extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Other project types in Merthyr Tydfil
92.4%
88.6%
87.9%
89.6%
85.7%
79.4%
21.1%
94.4%
81.2%
90.9%