Extension (General) approval rate in Birmingham

Birmingham approved 80.8% of extension (general) applications, based on 650 decisions analysed.

Last updated: March 2026

80.8%

extension (general) approval rate

650

Extension (General) decisions

525

Approved

125

Refused

83.8%

Birmingham overall

Extension (General) applications are refused more often than the Birmingham average (83.8%), suggesting the council scrutinises these projects more closely.

How extension (general) compares in Birmingham

Extension (General) (650 decided)

80.8%

Birmingham all applications (33,111 decided)

83.8%

Planning a extension (general) in Birmingham?

80.8% 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 Birmingham Pro Report — £79

Less than one set of revised drawings.