Outbuilding approval rate in Islington

Islington approved 85.4% of outbuilding applications, based on 1,501 decisions analysed.

Last updated: August 2026

85.4%

outbuilding approval rate

1,501

Outbuilding decisions

1,282

Approved

219

Refused

82.8%

Islington overall

Outbuilding applications are approved more often than the Islington average (82.8%), suggesting the council is relatively receptive to these projects.

How outbuilding compares in Islington

Outbuilding (1,501 decided)

85.4%

Islington all applications (85,214 decided)

82.8%

Planning a outbuilding in Islington?

85.4% 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 →