Annex approval rate in Cambridge
Cambridge approved 93.8% of annex applications, based on 226 decisions analysed.
Last updated: September 2026
93.8%
annex approval rate
226
Annex decisions
212
Approved
14
Refused
92.4%
Cambridge overall
Annex applications are approved at roughly the same rate as the Cambridge average (92.4%).
How annex compares in Cambridge
Annex
93.8%
Cambridge all applications
92.4%
Planning a annex in Cambridge?
93.8% 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
Planning professional? PlanningLens runs refusal alerts and evidence packs for Cambridge and any other published UK council — see the data services →
Other project types in Cambridge
96.5%
95.0%
96.3%
96.9%
96.9%
94.3%
95.9%
93.8%
89.4%
97.1%
98.6%
98.1%
100.0%
85.2%
100.0%