Basement approval rate in Cornwall
Cornwall approved 97.5% of basement applications, based on 120 decisions analysed.
Last updated: August 2026
97.5%
basement approval rate
120
Basement decisions
117
Approved
3
Refused
93.0%
Cornwall overall
Basement applications are approved more often than the Cornwall average (93.0%), suggesting the council is relatively receptive to these projects.
How basement compares in Cornwall
Basement
97.5%
Cornwall all applications
93.0%
Planning a basement in Cornwall?
97.5% 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 basement approval rate
✓ Nearest comparable basement decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Free planning check for Cornwall →
✓ Nearest comparable basement decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Other project types in Cornwall
95.9%
93.9%
94.5%
97.1%
82.9%
95.3%
96.3%
98.0%
97.5%
93.0%
93.7%
98.6%
93.5%
93.5%
81.2%