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

Annex approval rate in South Norfolk

South Norfolk approved 94.8% of annex applications, based on 191 decisions analysed.

Last updated: August 2026

94.8%
annex approval rate
191
Annex decisions
181
Approved
10
Refused
95.1%
South Norfolk overall

Annex applications are approved at roughly the same rate as the South Norfolk average (95.1%).

How annex compares in South Norfolk

Annex (191 decided)
94.8%
South Norfolk all applications (7,292 decided)
95.1%

Planning a annex in South Norfolk?

94.8% 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 Norfolk

Garage / Parking (1,014 decided)
93.5%
Rear Extension (957 decided)
98.0%
Extension (General) (680 decided)
97.9%
Side Extension (531 decided)
98.3%
Outbuilding (517 decided)
96.1%
88.1%
New Build (237 decided)
84.0%
Front Extension (177 decided)
97.2%
Conservatory (176 decided)
100.0%
Dormer (165 decided)
97.6%
Loft Conversion (118 decided)
95.8%
97.5%
Flat Conversion (15 decided)
80.0%
Basement (11 decided)
100.0%
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