Annex approval rate in Mid Sussex
Mid Sussex approved 86.8% of annex applications, based on 76 decisions analysed.
Last updated: September 2026
86.8%
annex approval rate
76
Annex decisions
66
Approved
10
Refused
93.1%
Mid Sussex overall
Annex applications are refused more often than the Mid Sussex average (93.1%), suggesting the council scrutinises these projects more closely.
How annex compares in Mid Sussex
Annex
86.8%
Mid Sussex all applications
93.1%
Planning a annex in Mid Sussex?
86.8% 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 Mid Sussex →
✓ 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 Mid Sussex and any other published UK council — see the data services →
Other project types in Mid Sussex
92.0%
95.4%
95.1%
92.2%
91.5%
92.8%
92.6%
97.3%
95.5%
76.4%
93.2%
92.4%
93.1%
86.7%