Rear Extension approval rate in King's Lynn & West Norfolk
King's Lynn & West Norfolk approved 96.3% of rear extension applications, based on 216 decisions analysed.
Last updated: September 2026
96.3%
rear extension approval rate
216
Rear Extension decisions
208
Approved
8
Refused
90.6%
King's Lynn & West Norfolk overall
Rear Extension applications are approved more often than the King's Lynn & West Norfolk average (90.6%), suggesting the council is relatively receptive to these projects.
How rear extension compares in King's Lynn & West Norfolk
Rear Extension
96.3%
King's Lynn & West Norfolk all applications
90.6%
Planning a rear extension in King's Lynn & West Norfolk?
96.3% 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 rear extension approval rate
✓ Nearest comparable rear extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Free planning check for King's Lynn & West Norfolk →
✓ Nearest comparable rear extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Planning professional? PlanningLens runs refusal alerts and evidence packs for King's Lynn & West Norfolk and any other published UK council — see the data services →
Other project types in King's Lynn & West Norfolk
94.7%
91.2%
96.9%
98.4%
88.6%
83.6%
100.0%
97.2%
100.0%
100.0%
95.2%