Annex approval rate in King's Lynn & West Norfolk
King's Lynn & West Norfolk approved 85.5% of annex applications, based on 55 decisions analysed.
Last updated: March 2026
85.5%
annex approval rate
55
Annex decisions
47
Approved
8
Refused
93.2%
King's Lynn & West Norfolk overall
Annex applications are refused more often than the King's Lynn & West Norfolk average (93.2%), suggesting the council scrutinises these projects more closely.
How annex compares in King's Lynn & West Norfolk
Annex
85.5%
King's Lynn & West Norfolk all applications
93.2%
Planning a annex in King's Lynn & West Norfolk?
85.5% get approved — but the odds vary by street. Your Pro Report shows exactly what gets approved and refused near your property.
✓ Your ward's annex approval rate
✓ Nearest comparable annex decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Get King's Lynn & West Norfolk Pro Report — £79
✓ Nearest comparable annex decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Less than one set of revised drawings.
Other project types in King's Lynn & West Norfolk
95.5%
91.9%
96.0%
97.2%
90.7%
100.0%
100.0%
100.0%
100.0%
94.1%
100.0%