Annex approval rate in North Northamptonshire
North Northamptonshire approved 87.5% of annex applications, based on 24 decisions analysed.
Last updated: March 2026
87.5%
annex approval rate
24
Annex decisions
21
Approved
3
Refused
94.6%
North Northamptonshire overall
Annex applications are refused more often than the North Northamptonshire average (94.6%), suggesting the council scrutinises these projects more closely.
How annex compares in North Northamptonshire
Annex
87.5%
North Northamptonshire all applications
94.6%
Planning a annex in North Northamptonshire?
87.5% get approved — but the odds vary by street. Your Pro Report 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
Get North Northamptonshire Pro Report — £79
✓ Nearest comparable annex decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Less than one set of revised drawings.
Other project types in North Northamptonshire
95.4%
91.5%
92.5%
94.9%
90.7%
98.4%
94.2%
84.5%
84.1%
90.9%
90.9%