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Outbuilding approval rate in Flintshire

Flintshire approved 81.9% of outbuilding applications, based on 359 decisions analysed.

Last updated: August 2026

81.9%
outbuilding approval rate
359
Outbuilding decisions
294
Approved
65
Refused
87.7%
Flintshire overall

Outbuilding applications are refused more often than the Flintshire average (87.7%), suggesting the council scrutinises these projects more closely.

How outbuilding compares in Flintshire

Outbuilding (359 decided)
81.9%
Flintshire all applications (14,350 decided)
87.7%

Planning a outbuilding in Flintshire?

81.9% 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 outbuilding approval rate
✓ Nearest comparable outbuilding decisions
✓ Refusal triggers specific to your area
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Other project types in Flintshire

Extension (General) (2,118 decided)
91.1%
Garage / Parking (1,329 decided)
87.0%
80.2%
Rear Extension (986 decided)
94.6%
New Build (956 decided)
77.0%
Side Extension (649 decided)
94.8%
Conservatory (309 decided)
95.1%
Dormer (162 decided)
81.5%
Loft Conversion (139 decided)
84.9%
Annex (87 decided)
81.6%
95.3%
Front Extension (82 decided)
93.9%
HMO (57 decided)
70.2%
Flat Conversion (32 decided)
87.5%
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