Extension (General) approval rate in Cornwall

Cornwall approved 96.6% of extension (general) applications, based on 1,169 decisions analysed.

Last updated: March 2026

96.6%

extension (general) approval rate

1,169

Extension (General) decisions

1,129

Approved

Refused

93.9%

Cornwall overall

Extension (General) applications are approved more often than the Cornwall average (93.9%), suggesting the council is relatively receptive to these projects.

How extension (general) compares in Cornwall

Extension (General) (1,169 decided)

96.6%

Cornwall all applications (6,212 decided)

93.9%

Planning a extension (general) in Cornwall?

96.6% 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 Cornwall Pro Report — £79

Less than one set of revised drawings.