Data-backed planning intelligence · 3,790,000+ decisions analysed across England, Scotland, Wales and Northern Ireland

Outbuilding approval rate in Swansea

Swansea approved 86.6% of outbuilding applications, based on 97 decisions analysed.

Last updated: August 2026

86.6%
outbuilding approval rate
97
Outbuilding decisions
84
Approved
13
Refused
85.8%
Swansea overall

Outbuilding applications are approved at roughly the same rate as the Swansea average (85.8%).

How outbuilding compares in Swansea

Outbuilding (97 decided)
86.6%
Swansea all applications (3,900 decided)
85.8%

Planning a outbuilding in Swansea?

86.6% 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 outbuilding approval rate
✓ Nearest comparable outbuilding decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
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Other project types in Swansea

Rear Extension (784 decided)
83.7%
Side Extension (490 decided)
82.7%
Garage / Parking (479 decided)
83.1%
74.6%
Dormer (172 decided)
68.0%
Conservatory (154 decided)
86.4%
Extension (General) (116 decided)
89.7%
Front Extension (94 decided)
76.6%
Loft Conversion (83 decided)
63.9%
HMO (52 decided)
42.3%
Basement (22 decided)
72.7%
Annex (22 decided)
81.8%
81.0%
Flat Conversion (17 decided)
58.8%
New Build (14 decided)
85.7%
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