Rear Extension approval rate in Islington
Islington approved 80.7% of rear extension applications, based on 11,667 decisions analysed.
Last updated: August 2026
80.7%
rear extension approval rate
11,667
Rear Extension decisions
9,417
Approved
2,250
Refused
82.8%
Islington overall
Rear Extension applications are refused more often than the Islington average (82.8%), suggesting the council scrutinises these projects more closely.
How rear extension compares in Islington
Rear Extension
80.7%
Islington all applications
82.8%
Planning a rear extension in Islington?
80.7% 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 rear extension approval rate
✓ Nearest comparable rear extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Free planning check for Islington →
✓ Nearest comparable rear extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Other project types in Islington
82.3%
67.2%
80.7%
76.5%
72.9%
71.7%
80.1%
85.9%
85.4%
67.2%
76.0%
83.0%
79.1%
78.9%
53.7%