Rear Extension approval rate in Islington
Islington approved 80.7% of rear extension applications, based on 11,660 decisions analysed.
Last updated: March 2026
80.7%
rear extension approval rate
11,660
Rear Extension decisions
9,405
Approved
2,255
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 Pro Report 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
Get Islington Pro Report — £79
✓ Nearest comparable rear extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Less than one set of revised drawings.
Other project types in Islington
82.2%
67.2%
80.6%
76.4%
72.8%
71.6%
79.9%
86.0%
85.0%
67.1%
77.3%
82.7%
79.4%
78.4%
52.5%