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Annex approval rate in King's Lynn & West Norfolk

King's Lynn & West Norfolk approved 82.9% of annex applications, based on 70 decisions analysed.

Last updated: August 2026

82.9%
annex approval rate
70
Annex decisions
58
Approved
12
Refused
91.9%
King's Lynn & West Norfolk overall

Annex applications are refused more often than the King's Lynn & West Norfolk average (91.9%), suggesting the council scrutinises these projects more closely.

How annex compares in King's Lynn & West Norfolk

Annex (70 decided)
82.9%
King's Lynn & West Norfolk all applications (2,655 decided)
91.9%

Planning a annex in King's Lynn & West Norfolk?

82.9% 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 King's Lynn & West Norfolk

Extension (General) (452 decided)
94.7%
Garage / Parking (392 decided)
91.3%
Rear Extension (206 decided)
96.6%
Outbuilding (188 decided)
96.8%
80.9%
Side Extension (118 decided)
98.3%
New Build (103 decided)
90.3%
Conservatory (63 decided)
100.0%
Front Extension (34 decided)
97.1%
Dormer (30 decided)
100.0%
100.0%
Loft Conversion (21 decided)
95.2%
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