Extension (General) approval rate in Lewisham
Lewisham approved 84.2% of extension (general) applications, based on 2,747 decisions analysed.
Last updated: August 2026
84.2%
extension (general) approval rate
2,747
Extension (General) decisions
2,312
Approved
435
Refused
82.9%
Lewisham overall
Extension (General) applications are approved at roughly the same rate as the Lewisham average (82.9%).
How extension (general) compares in Lewisham
Extension (General)
84.2%
Lewisham all applications
82.9%
Planning a extension (general) in Lewisham?
84.2% get approved, but the odds vary by street. Your Full Planning Analysis shows exactly what gets approved and refused near your property.
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✓ Nearest comparable extension (general) decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Other project types in Lewisham
75.6%
83.0%
83.6%
79.3%
81.6%
82.5%
75.9%
82.2%
82.9%
61.1%
84.9%
83.3%
88.8%
69.1%
60.3%