Annex approval rate in North Northamptonshire
North Northamptonshire approved 83.3% of annex applications, based on 48 decisions analysed.
Last updated: September 2026
83.3%
annex approval rate
48
Annex decisions
40
Approved
8
Refused
88.8%
North Northamptonshire overall
Annex applications are refused more often than the North Northamptonshire average (88.8%), suggesting the council scrutinises these projects more closely.
How annex compares in North Northamptonshire
Annex
83.3%
North Northamptonshire all applications
88.8%
Planning a annex in North Northamptonshire?
83.3% 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 North Northamptonshire →
✓ 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 North Northamptonshire and any other published UK council — see the data services →
Other project types in North Northamptonshire
93.1%
90.5%
90.8%
94.2%
91.4%
96.7%
94.7%
85.6%
86.1%
87.9%
89.5%
91.3%
90.0%