HA1 planning approval rate
The HA1 postcode area falls under Harrow council, which has a 80.6% planning approval rate based on 12,600 decisions.
Last updated: April 2026
80.6%
Harrow approval rate
What this means for HA1
If you're planning a project in the HA1 area, your application will be decided by Harrow council. Based on historical data, around 19.4% 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 Harrow, 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 Harrow
✓ Your 10 nearest comparable planning decisions
✓ Appeal success rates
✓ PDF report to share with your architect
Get Harrow Pro Report — £79
✓ Common refusal reasons in Harrow
✓ 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 12,600 decisions.
Harrow approval by application type
Other
83.6%
Full
76.5%
Prior Approval
73.8%