Extension (General) approval rate in Islington

Islington approved 80.6% of extension (general) applications, based on 5,823 decisions analysed.

Last updated: March 2026

80.6%

extension (general) approval rate

5,823

Extension (General) decisions

4,692

Approved

1,131

Refused

82.8%

Islington overall

Extension (General) applications are refused more often than the Islington average (82.8%), suggesting the council scrutinises these projects more closely.

How extension (general) compares in Islington

Extension (General) (5,823 decided)

80.6%

Islington all applications (85,229 decided)

82.8%

Planning a extension (general) in Islington?

80.6% get approved — but the odds vary by street. Your Pro Report shows exactly what gets approved and refused near your property.

✓ Your ward's extension (general) approval rate
✓ Nearest comparable extension (general) decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect

Get Islington Pro Report — £79

Less than one set of revised drawings.