BB21 planning approval rate
The BB21 postcode area falls under Blackburn with Darwen council, which has a 89.0% planning approval rate based on 12,526 decisions.
Last updated: April 2026
89.0%
Blackburn with Darwen approval rate
What this means for BB21
If you're planning a project in the BB21 area, your application will be decided by Blackburn with Darwen council. Based on historical data, around 11.0% 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 Blackburn with Darwen, 1 in 9 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 Blackburn with Darwen
✓ Your 10 nearest comparable planning decisions
✓ Appeal success rates
✓ PDF report to share with your architect
Get Blackburn with Darwen Pro Report — £79
✓ Common refusal reasons in Blackburn with Darwen
✓ 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 12,526 decisions.
Blackburn with Darwen approval by application type
Other
89.0%