Extension (General) approval rate in Cornwall

Cornwall approved 95.9% of extension (general) applications, based on 4,090 decisions analysed.

Last updated: August 2026

95.9%

extension (general) approval rate

4,090

Extension (General) decisions

3,923

Approved

167

Refused

93.0%

Cornwall overall

Extension (General) applications are approved more often than the Cornwall average (93.0%), suggesting the council is relatively receptive to these projects.

How extension (general) compares in Cornwall

Extension (General) (4,090 decided)

95.9%

Cornwall all applications (24,970 decided)

93.0%

Planning a extension (general) in Cornwall?

95.9% 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 extension (general) approval rate
✓ Nearest comparable extension (general) decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect

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