Extension (General) approval rate in Islington
Islington approved 80.6% of extension (general) applications, based on 5,797 decisions analysed.
Last updated: June 2026
80.6%
extension (general) approval rate
5,797
Extension (General) decisions
4,675
Approved
1,122
Refused
82.8%
Islington overall
Extension (General) applications are refused more often than the Islington average (82.8%), suggesting the council scrutinises these projects more closely.
How extension (general) compares in Islington
Extension (General)
80.6%
Islington all applications
82.8%
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
Other project types in Islington
80.7%
82.3%
67.2%
76.6%
72.9%
71.6%
80.1%
85.9%
85.3%
67.2%
76.7%
82.8%
79.1%
78.9%
53.7%