Data-backed planning intelligence · 3,700,000+ decisions analysed across England, Scotland, Wales and Northern Ireland

Flat Conversion approval rate in Wiltshire

Wiltshire approved 83.6% of flat conversion applications, based on 336 decisions analysed.

Last updated: August 2026

83.6%
flat conversion approval rate
336
Flat Conversion decisions
281
Approved
55
Refused
91.5%
Wiltshire overall

Flat Conversion applications are refused more often than the Wiltshire average (91.5%), suggesting the council scrutinises these projects more closely.

How flat conversion compares in Wiltshire

Flat Conversion (336 decided)
83.6%
Wiltshire all applications (210,657 decided)
91.5%

Planning a flat conversion in Wiltshire?

83.6% 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 flat conversion approval rate
✓ Nearest comparable flat conversion decisions
✓ Refusal triggers specific to your area
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Other project types in Wiltshire

Extension (General) (30,518 decided)
92.1%
Garage / Parking (28,673 decided)
88.3%
Rear Extension (16,085 decided)
94.5%
Conservatory (12,728 decided)
95.7%
Outbuilding (10,911 decided)
92.2%
84.6%
Side Extension (9,708 decided)
94.4%
New Build (9,464 decided)
76.8%
Dormer (5,014 decided)
91.5%
Annex (2,944 decided)
88.1%
Loft Conversion (2,630 decided)
91.1%
Front Extension (1,962 decided)
95.6%
Wraparound Extension (946 decided)
94.8%
Basement (422 decided)
92.7%
92.7%
HMO (97 decided)
84.5%
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