Annex approval rate in Cambridge
Cambridge approved 90.4% of annex applications, based on 146 decisions analysed.
Last updated: August 2026
90.4%
annex approval rate
146
Annex decisions
132
Approved
14
Refused
93.0%
Cambridge overall
Annex applications are refused more often than the Cambridge average (93.0%), suggesting the council scrutinises these projects more closely.
How annex compares in Cambridge
Annex
90.4%
Cambridge all applications
93.0%
Planning a annex in Cambridge?
90.4% 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
✓ PDF report for your architect
Free planning check for Cambridge →
✓ Nearest comparable annex decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Other project types in Cambridge
95.1%
92.8%
94.6%
95.6%
95.4%
91.5%
91.9%
93.7%
84.9%
95.7%
97.7%
97.5%
76.0%
100.0%