Extension (General) approval rate in Islington
Islington approved 80.6% of extension (general) applications, based on 5,812 decisions analysed.
Last updated: September 2026
80.6%
extension (general) approval rate
5,812
Extension (General) decisions
4,687
Approved
1,125
Refused
82.4%
Islington overall
Extension (General) applications are approved at roughly the same rate as the Islington average (82.4%).
How extension (general) compares in Islington
Extension (General)
80.6%
Islington all applications
82.4%
Planning a extension (general) in Islington?
80.6% 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 Islington →
✓ 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 Islington and any other published UK council — see the data services →
Other project types in Islington
80.8%
82.4%
67.3%
76.6%
73.0%
71.6%
80.2%
85.9%
85.5%
67.2%
75.8%
83.0%
79.2%
78.9%
53.7%