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

Dormer approval rate in South Downs

South Downs approved 88.1% of dormer applications, based on 420 decisions analysed.

Last updated: August 2026

88.1%
dormer approval rate
420
Dormer decisions
370
Approved
50
Refused
93.2%
South Downs overall

Dormer applications are refused more often than the South Downs average (93.2%), suggesting the council scrutinises these projects more closely.

How dormer compares in South Downs

Dormer (420 decided)
88.1%
South Downs all applications (10,988 decided)
93.2%

Planning a dormer in South Downs?

88.1% get approved, but the odds vary by street. Your Full Planning Analysis shows exactly what gets approved and refused near your property.

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Other project types in South Downs

Garage / Parking (1,505 decided)
90.6%
Rear Extension (978 decided)
93.4%
Outbuilding (921 decided)
94.9%
Extension (General) (809 decided)
93.6%
Side Extension (547 decided)
92.3%
82.0%
Conservatory (371 decided)
94.9%
New Build (242 decided)
84.7%
Annex (202 decided)
89.1%
Loft Conversion (159 decided)
83.6%
Front Extension (110 decided)
92.7%
86.3%
Basement (68 decided)
94.1%
75.8%
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