Annex approval rate in Kensington & Chelsea
Kensington & Chelsea approved 94.7% of annex applications, based on 114 decisions analysed.
Last updated: August 2026
94.7%
annex approval rate
114
Annex decisions
108
Approved
6
Refused
92.5%
Kensington & Chelsea overall
Annex applications are approved more often than the Kensington & Chelsea average (92.5%), suggesting the council is relatively receptive to these projects.
How annex compares in Kensington & Chelsea
Annex
94.7%
Kensington & Chelsea all applications
92.5%
Planning a annex in Kensington & Chelsea?
94.7% 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 annex approval rate
✓ Nearest comparable annex decisions
✓ Refusal triggers specific to your area
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Free planning check for Kensington & Chelsea →
✓ Nearest comparable annex decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Other project types in Kensington & Chelsea
92.2%
89.7%
92.2%
92.8%
86.2%
89.1%
88.9%
90.8%
89.6%
92.3%
92.6%
90.9%
86.0%
88.4%