Rear Extension approval rate in Islington
Islington approved 80.8% of rear extension applications, based on 11,700 decisions analysed.
Last updated: September 2026
80.8%
rear extension approval rate
11,700
Rear Extension decisions
9,450
Approved
2,250
Refused
82.4%
Islington overall
Rear Extension applications are approved at roughly the same rate as the Islington average (82.4%).
How rear extension compares in Islington
Rear Extension
80.8%
Islington all applications
82.4%
Planning a rear extension in Islington?
80.8% 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
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
82.4%
67.3%
80.6%
76.6%
73.0%
71.6%
80.2%
85.9%
85.5%
67.2%
75.8%
83.0%
79.2%
78.9%
53.7%