AL4 planning approval rate
The AL4 postcode area falls under North Hertfordshire council, which has a 93.1% planning approval rate based on 1,588 decisions.
Last updated: October 2026
What this means for AL4
If you're planning a project in the AL4 area, your application will be decided by North Hertfordshire council. Based on historical data, around 6.9% 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 Hertfordshire, 1 in 14 applications are refused. The PlanningLens property report runs to 17 pages on your address:
✓ Common refusal reasons in North Hertfordshire
✓ Your 10 nearest comparable planning decisions
✓ Appeal success rates
✓ PDF report to share with your architect
Free. Based on 1,588 decisions.
Planning professional? PlanningLens runs refusal alerts and evidence packs for North Hertfordshire and any other published UK council. See the data services →