Rear extension approval rate in West Northamptonshire
West Northamptonshire approved 95.9% of rear extension applications, based on 97 decisions analysed.
Last updated: October 2026
95.9%
rear extension approval rate
97
Rear extension decisions
93
Approved
4
Refused
93.2%
West Northamptonshire overall
This rate rests on 97 decisions, a small sample, so treat it with caution.
How rear extension applications compare in West Northamptonshire
Rear extension
95.9%
West Northamptonshire all applications
93.2%
Before you apply in West Northamptonshire
This page shows the council-wide rate. The free check shows decisions 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 West 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 West Northamptonshire and any other published UK council. See the data services →
Other project types in West Northamptonshire
96.1%
97.9%
89.4%
95.6%
80.0%
100.0%
100.0%
85.7%
78.6%
91.7%
91.7%