Outbuilding approval rate in Islington
Islington approved 85.5% of outbuilding applications, based on 1,506 decisions analysed.
Last updated: September 2026
85.5%
outbuilding approval rate
1,506
Outbuilding decisions
1,287
Approved
219
Refused
82.4%
Islington overall
Outbuilding applications are approved more often than the Islington average (82.4%), suggesting the council is relatively receptive to these projects.
How outbuilding compares in Islington
Outbuilding
85.5%
Islington all applications
82.4%
Planning a outbuilding in Islington?
85.5% 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 outbuilding approval rate
✓ Nearest comparable outbuilding decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Free planning check for Islington →
✓ Nearest comparable outbuilding 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%
76.6%
73.0%
71.6%
80.2%
85.9%
67.2%
75.8%
83.0%
79.2%
78.9%
53.7%