CM3 planning approval rate
The CM3 postcode area falls under Chelmsford council, which has a 85.7% planning approval rate based on 505 decisions.
Last updated: April 2026
85.7%
Chelmsford approval rate
What this means for CM3
If you're planning a project in the CM3 area, your application will be decided by Chelmsford council. Based on historical data, around 14.3% 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 Chelmsford, 1 in 7 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 Chelmsford
✓ Your 10 nearest comparable planning decisions
✓ Appeal success rates
✓ PDF report to share with your architect
Get Chelmsford Pro Report — £79
✓ Common refusal reasons in Chelmsford
✓ 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 505 decisions.
Chelmsford approval by application type
Other
85.7%