Dormer approval rate in Islington
Islington approved 76.6% of dormer applications, based on 3,505 decisions analysed.
Last updated: September 2026
76.6%
dormer approval rate
3,505
Dormer decisions
2,684
Approved
821
Refused
82.4%
Islington overall
Dormer applications are refused more often than the Islington average (82.4%), suggesting the council scrutinises these projects more closely.
How dormer compares in Islington
Dormer
76.6%
Islington all applications
82.4%
Planning a dormer in Islington?
76.6% 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 dormer approval rate
✓ Nearest comparable dormer decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Free planning check for Islington →
✓ Nearest comparable dormer 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%
80.6%
73.0%
71.6%
80.2%
85.9%
85.5%
67.2%
75.8%
83.0%
79.2%
78.9%
53.7%