Rear Extension approval rate in North Northamptonshire
North Northamptonshire approved 93.1% of rear extension applications, based on 722 decisions analysed.
Last updated: September 2026
93.1%
rear extension approval rate
722
Rear Extension decisions
672
Approved
50
Refused
88.8%
North Northamptonshire overall
Rear Extension applications are approved more often than the North Northamptonshire average (88.8%), suggesting the council is relatively receptive to these projects.
How rear extension compares in North Northamptonshire
Rear Extension
93.1%
North Northamptonshire all applications
88.8%
Planning a rear extension in North Northamptonshire?
93.1% 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 rear extension approval rate
✓ Nearest comparable rear extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Free planning check for North Northamptonshire →
✓ Nearest comparable rear extension 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
90.5%
90.8%
94.2%
91.4%
96.7%
94.7%
85.6%
86.1%
87.9%
89.5%
83.3%
91.3%
90.0%