Annex approval rate in Cambridge
Cambridge approved 90.0% of annex applications, based on 140 decisions analysed.
Last updated: June 2026
90.0%
annex approval rate
140
Annex decisions
126
Approved
14
Refused
92.9%
Cambridge overall
Annex applications are refused more often than the Cambridge average (92.9%), suggesting the council scrutinises these projects more closely.
How annex compares in Cambridge
Annex
90.0%
Cambridge all applications
92.9%
Planning a annex in Cambridge?
90.0% 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
94.9%
92.5%
94.4%
95.5%
95.3%
91.9%
91.3%
93.6%
84.7%
95.4%
97.7%
97.2%
100.0%
72.7%