HA4 planning approval rate
The HA4 postcode area falls under Hillingdon council, which has a 78.9% planning approval rate based on 30,009 decisions.
Last updated: April 2026
78.9%
Hillingdon approval rate
What this means for HA4
If you're planning a project in the HA4 area, your application will be decided by Hillingdon council. Based on historical data, around 21.1% 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 Hillingdon, 1 in 5 applications are refused. Your PlanningLens Pro Report gives you 17 pages of intelligence specific to your property:
✓ Ward-level approval rates for your exact area
✓ Common refusal reasons in Hillingdon
✓ Your 10 nearest comparable planning decisions
✓ Appeal success rates
✓ PDF report to share with your architect
Get Hillingdon Pro Report — £79
✓ Common refusal reasons in Hillingdon
✓ Your 10 nearest comparable planning decisions
✓ Appeal success rates
✓ PDF report to share with your architect
Less than one set of revised drawings. Based on 30,009 decisions.
Hillingdon approval by application type
Other
80.4%
Full
75.1%
Prior Approval
86.0%