NN4 planning approval rate
The NN4 postcode area falls under North Northamptonshire council, which has a 88.8% planning approval rate based on 1,973 decisions.
Last updated: October 2026
What this means for NN4
If you're planning a project in the NN4 area, your application will be decided by North Northamptonshire council. Based on historical data, around 11.2% of applications are refused. The approval rate varies by ward and application type, use our free tool to check your specific property.
What gets approved near your property?
In North Northamptonshire, 1 in 9 applications are refused. The PlanningLens property report runs to 17 pages on your address:
✓ Common refusal reasons in North Northamptonshire
✓ Your 10 nearest comparable planning decisions
✓ Appeal success rates
✓ PDF report to share with your architect
Free. Based on 1,973 decisions.
Planning professional? PlanningLens runs refusal alerts and evidence packs for North Northamptonshire and any other published UK council. See the data services →