Extension (General) approval rate in Lewisham
Lewisham approved 84.1% of extension (general) applications, based on 2,758 decisions analysed.
Last updated: September 2026
84.1%
extension (general) approval rate
2,758
Extension (General) decisions
2,320
Approved
438
Refused
82.4%
Lewisham overall
Extension (General) applications are approved at roughly the same rate as the Lewisham average (82.4%).
How extension (general) compares in Lewisham
Extension (General)
84.1%
Lewisham all applications
82.4%
Planning a extension (general) in Lewisham?
84.1% 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
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Free planning check for Lewisham →
✓ Nearest comparable extension (general) decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Planning professional? PlanningLens runs refusal alerts and evidence packs for Lewisham and any other published UK council — see the data services →
Other project types in Lewisham
75.7%
83.0%
83.7%
79.3%
81.6%
82.5%
75.9%
82.4%
83.1%
61.3%
85.1%
83.6%
88.8%
69.9%
61.5%