Outbuilding approval rate in Islington

Islington approved 85.0% of outbuilding applications, based on 1,484 decisions analysed.

Last updated: March 2026

85.0%

outbuilding approval rate

1,484

Outbuilding decisions

1,261

Approved

223

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 (1,484 decided)

85.0%

Islington all applications (85,229 decided)

82.8%

Planning a outbuilding in Islington?

85.0% get approved — but the odds vary by street. Your Pro Report 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

Get Islington Pro Report — £79

Less than one set of revised drawings.