Extension (General) approval rate in Merton
Merton approved 87.2% of extension (general) applications, based on 930 decisions analysed.
Last updated: August 2026
87.2%
extension (general) approval rate
930
Extension (General) decisions
811
Approved
119
Refused
86.2%
Merton overall
Extension (General) applications are approved at roughly the same rate as the Merton average (86.2%).
How extension (general) compares in Merton
Extension (General)
87.2%
Merton all applications
86.2%
Planning a extension (general) in Merton?
87.2% 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 extension (general) approval rate
✓ Nearest comparable extension (general) decisions
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✓ Nearest comparable extension (general) decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Other project types in Merton
81.8%
89.9%
88.5%
88.7%
85.0%
87.8%
86.9%
83.0%
83.0%
91.4%
88.7%
92.6%
79.1%
55.6%
79.2%