Data-backed planning intelligence · 2,500,000+ decisions analysed across England, Scotland and Wales

Loft Conversion approval rate in Cornwall

Cornwall approved 92.4% of loft conversion applications, based on 119 decisions analysed.

Last updated: March 2026

92.4%
loft conversion approval rate
119
Loft Conversion decisions
110
Approved
9
Refused
93.9%
Cornwall overall

Loft Conversion applications are approved at roughly the same rate as the Cornwall average (93.9%).

How loft conversion compares in Cornwall

Loft Conversion (119 decided)
92.4%
Cornwall all applications (6,212 decided)
93.9%

Planning a loft conversion in Cornwall?

92.4% get approved — but the odds vary by street. Your Pro Report shows exactly what gets approved and refused near your property.

✓ Your ward's loft conversion approval rate
✓ Nearest comparable loft conversion decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
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Less than one set of revised drawings.

Other project types in Cornwall

Extension (General) (1,169 decided)
96.6%
Garage / Parking (976 decided)
93.0%
92.0%
Outbuilding (355 decided)
96.6%
Rear Extension (323 decided)
97.8%
New Build (265 decided)
83.0%
Annex (221 decided)
97.7%
Dormer (206 decided)
98.1%
Side Extension (187 decided)
98.9%
Conservatory (169 decided)
97.0%
Front Extension (28 decided)
96.4%
Basement (23 decided)
95.7%
100.0%
Flat Conversion (17 decided)
88.2%
HMO (14 decided)
85.7%
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